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Skyroot Aerospace Private Limited is a private Indian aerospace manufacturer and commercial launch service provider headquartered in Hyderabad, Telangana. The company was founded by former engineers and scientists from ISRO.

Key Information

The company specialises in small-lift launch vehicles such as Vikram-I, especially crafted for the small satellite market. The company was started in a small setup in Kondapur in 2018 with a team of ten individuals. Incubated in T–Hub and supported by T–Works, Skyroot became the first private space-tech company in India to launch a suborbital rocket.[3][4]

History

[edit]
Initial logo of Skyroot
Pawan Kumar Chandana (CEO & CTO) and Naga Bharath Daka (COO) (standing on left and right respectively of Union minister Jitendra Singh in middle) on the eve of successful Vikram S launch[5]

Skyroot Aerospace was formed in July 2018 by former ISRO scientists Pawan Kumar Chandana, Naga Bharath Daka through the support of Vasudevan Gnanagandhi as well as a small group of entrepreneurs including CureFit founders Mukesh Bansal and Ankit Nagor.[6] Skyroot has initially raised US$4.3 million, including from space and defence contractor Solar Industries.[7] The company has been developing its first launch vehicle, the Vikram-I, which is on track for its initial launch around the mid of 2025.[8][9]

On 6 October 2020, the National Startup Awards 2020 were declared by the Union minister of commerce and industry Piyush Goyal, where Skyroot Aerospace emerged as the winner. The National Startup Awards are given in recognition of startups across several categories that offer novel solutions for complex problems in the country, and creating businesses that are scalable and sustainable.[10] On 20 November 2020, Skyroot Aerospace entered into a memorandum of understanding with Dhruva Space, an Indian private satellite manufacturer.[11]

On 2 February 2021, ISRO and Skyroot Aerospace signed a non-disclosure agreement (NDA). The NDA will allow Skyroot Aerospace to access the facilities and technical expertise in ISRO centers to develop their launch vehicles.[12] On 8 February 2021, Skyroot Aerospace announced that they partnered with Bellatrix Aerospace to use the Orbital Transfer Vehicle of Bellatrix Aerospace with their Vikram series of Launch Vehicles.[13] In March 2021, Skyroot Aerospace team won the Aegis Graham Bell Award for Jury choice award under innovation category for the year 2020.[14]

On 20 May 2021, Skyroot Aerospace had raised $11 million in Series A funding round led by promoters of renewable energy firm Greenko Group (Anil Chalamalasetty and Mahesh Kolli), with participation of investors including Solar Industries and former WhatsApp Chief Business Office (CBO) Neeraj Arora, Mukesh Bansal founder of Myntra & Curefit, Worldquant Ventures, Graph Ventures, Sutton Capital, Vedanshu Investments and few other angels. Skyroot Aerospace will be deploying these funds to grow its team and complete the full development and testing of all subsystems of 'Vikram-I' launch vehicle. Skyroot has already started bookings for launches starting end 2022 and are actively engaging global customers[15]

The Department of Space (DoS) has signed an agreement with Skyroot Aerospace for providing it access to ISRO's facilities and expertise towards testing of sub-systems and systems of launch vehicles. Skyroot Aerospace has, therefore, become the first Indian startup to formally enter into an agreement with ISRO for using its assets since the announcement of the new policy decision of the Government of India in May 2020, when finance minister opened up the space sector and ISRO's facilities for private players. Finally on 11 September 2021, ISRO's scientific secretary and chairman of interim IN-SPACe (Indian National Space Promotion and Authorisation Centre) committee R Umamaheswaran, who represented Department of Space, Skyroot Aerospace CEO Pawan Kumar Chandana and COO Naga Bharath Daka signed this framework MoU.[16] On 22 September 2021, the list of "The 2021 LinkedIn Top Startups" was revealed with 25 young, emerging companies where India wants to work. Skyroot Aerospace was ranked 7th on this LinkedIn's 2021 Top Startups List in India.[17]

On 27 January 2022, Skyroot Aerospace raised of $4.5 million in a bridge round to Series B funding led by Google's founding board member Ram Shriram's Sherpalo Ventures. The bridge round also witnessed participation by Wami Capital, existing investors – former WhatsApp chief business officer Neeraj Arora and ex-Google executive Amit Singhal. Skyroot plans to use the fund to build the infrastructure required to launch space vehicles. This round aids Skyroot to build critical infrastructure early on and helps accelerate towards their launch of 'Vikram-I' in 2022. This fresh investment round brought up the total capital raised by the startup to around $17 million, which was the largest raised by an Indian space start-up as of January 2022.[18]

Rebranding
New logo
Skyroot New Logo
New logo
 Old logo
Skyroot Old Logo
Old logo
Skyroot Aerospace launch vehicles featured at IAC 2022.

On 10 May 2022, Skyroot Aerospace announced their new identity reflecting their ambition to reach the stars with a goal of "Opening Space for all." Their logo subtly crystallizes the acronym 'SR' of SKYROOT into a rocket-plane, while the sharp edges represent their "cutting-edge tech."[19] On 11 May 2022, Skyroot Aerospace was recognized with a National Award at the National Technology Day 2022. The Technology Startup Award was won by Skyroot Aerospace for Cryogenic, Liquid and Solid Propulsion Technologies catering to the needs of small satellite launch vehicle market. Jitendra Singh, Union Minister of State, Science and Technology Minister, has given this award.[20]

On 18 November 2022 Skyroot Aerospace performed the maiden launch of its Vikram-S suborbital rocket from Indian soil, becoming the first Indian private company to reach outer space (apogee was 89.5 km).[21][22]

In October 2023, the company announced it had raised $27.5 million in a pre-Series C funding round led by Temasek Holdings, bringing the total amount raised since its inception to about $95 million. According to the company, the funding is intended to accelerate launches planned for the next two years.[23][24]

The Government of Telangana has signed an agreement with Skyroot Aerospace in January 2025 at the World Economic Forum to establish an integrated private rocket manufacturing, integration, and testing facility in Telangana with an estimated investment of ₹500 crores.[25]

On 7 May 2026, with its latest funding round of approximately $60 million, the company achieved the distinction of becoming India's first space-tech unicorn, crossing the $1.1 billion valuation mark.[26]

Facilities

[edit]

MAX-Q

[edit]

The largest private integrated rocket development facility in India was unveiled by Skyroot Aerospace on 24 October 2023.[27][28] It is situated next to the Rajiv Gandhi International Airport and spans 60,000 square feet. With space for about 300 personnel, this facility will host Skyroot's integrated design, manufacturing, and testing infrastructure for developing rockets.[29][30]

Infinity Campus

[edit]

Prime Minister Narendra Modi inaugurated the Infinity Campus of Skyroot Aerospace on 27 November 2025. Spread across 200,000 square feet in Hyderabad, this facility will be able to design, manufacture, integrate, and test a number of launch vehicles and produce one orbital rocket each month.[31][32]

Launch vehicles

[edit]
Main article: Vikram (rocket family)

Skyroot Aerospace has been working on its Vikram series of expendable small-lift launchers. Rockets are designed for very quick assemblies.[33]

Vikram rocket family

Vikram-I

[edit]
Main article: Vikram-I

Vikram-I is a four-stage, expendable orbital small-lift launch vehicle. Its first three stages are solid stages, while the fourth stage is a liquid stage. The company is planning the maiden launch of Vikram-I by the second quarter of 2026.[34]

Planned rockets in the series
Launch Vehicle Payload capacity First flight Last flight Total launches
SSPO
(500 km) 		Low Earth orbit
(500 km; 45°)
Vikram-S (suborbital) – – 18 November 2022 18 November 2022 1
Vikram-I 260 kg (570 lb) 350 kg (770 lb) 2026 (planned) 0
Vikram-II 600 kg (1,300 lb) 900 kg (2,000 lb) 2027 (planned) 0

Rocket engines

[edit]

Skyroot has produced several different classes of rocket engines for each of their rockets.

Earth-storable rocket engine

[edit]
Main article: Raman (rocket engine)

Raman-1

[edit]

In August 2020, Skyroot first came into the limelight when it test-fired the Raman-1 (named after Sir C. V. Raman) hypergolic-fuel upper stage engine. This liquid-fuel upper stage is a component of Vikram-I and Skyroot was the first Indian private entity to test such an engine.[35][36][37][38]

Solid rocket motor

[edit]

Kalam-5

[edit]

On 22 December 2020, Skyroot tested the solid-fuel rocket engine Kalam-5 (named after A. P. J. Abdul Kalam), the first of five planned carbon-composite Kalam rocket motors which are expected to power its launch vehicles.[39][40][41] The test happened in Nagpur at a private test facility owned by Solar Industries, which is also an investor in Skyroot. In the name 'Kalam-5', the 5 refers to the peak sea level thrust of 5.3 kN.[42] The final engine in the series will be four times the size of Kalam-5.

Kalam-100

[edit]

On 19 May 2022, Skyroot announced the successful completion of a full duration test-firing of its Vikram-I rocket stage, representing a major milestone for the company. Named Kalam-100 after former president and the renowned Indian rocket scientist A.P.J. Abdul Kalam, the third stage of Vikram-I produces a peak vacuum thrust of 100 kN (or ~10 Tons) and has a burn time of 108 sec. The rocket stage has been built with high-strength carbon fiber structure, solid fuel, novel thermal protection system, and carbon ablative nozzle. This testing will help Skyroot in development of orbital vehicle Vikram-I and gives great confidence for the other rocket stages planned to be tested soon. This is largest rocket stage ever designed, manufactured, and tested completely in the private sector. There was a good match of test results with the design predictions in the very first attempt, which is a testimony to the team's capabilities. The state-of-the-art technology like carbon composite case, high propellant volumetric loading up to 94%, lighter EPDM based thermal protection system, and submerged nozzle have been validated through the successful static test.[43][44] The video of the firing[45]

Cryogenic rocket engine

[edit]

Dhawan-1

[edit]

On 25 September 2020, Skyroot Aerospace unveiled the Dhawan-1 (named after Satish Dhawan) upper stage cryogenic engine that will power heavier-lift systems such as Vikram-II.[46][47] This is the first cryogenic engine in India that will use liquefied natural gas (LNG) as fuel; this fuel has the advantages of being clean, renewable and suited for long duration space missions. Dhawan-1 is 3D printed and designed with a regenerative cooling configuration.[48]

On 25 November 2021, Skyroot successfully test fired India's first privately developed small cryogenic engine called Dhawan-1 running on LNG and liquid oxygen (LOX) with pressure-fed engine cycle. It was a technology demonstration experiment for the upper stage of Vikram-II rocket that is under active development. Solar Industries provided the test site. The engine made by 3D printing process and using super alloys.[49]

Industry collaboration

[edit]

An agreement has been signed by Nibe Space, a division of Nibe Defence and Aerospace on 9 September 2024, with Skyroot Aerospace, AgniKul Cosmos, Centum Electronics, SpaceFields, Sisir Radar, CYRAN AI Solutions, and Larsen & Toubro for the launch of India's first constellation of multi-sensor, all-weather, high-revisit Earth observation satellites.[50]

On 25 June 2025, Skyroot Aerospace and Axiom Space signed an MoU to work together to increase access to low-Earth orbit (LEO).[51] Skyroot Aerospace and Axiom Space will look into orbital and launch systems that are integrated for next trips to Axiom Station and beyond.[52] The two businesses intend to look into potential joint ventures for the construction of space infrastructure.[53] By connecting Axiom's under-construction commercial space station and other LEO projects with Skyroot's upcoming Vikram-I launch capability, the partnership hopes to create a new logistics corridor for research payloads, orbital data-center nodes, and upcoming commercial missions.[54]

[edit]
  • Vikram-S rocket. The first ever privately launched rocket of India.
    Vikram-S rocket. The first ever privately launched rocket of India.

See also

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Skyroot Aerospace

View on Grokipedia
from Grokipedia
Skyroot Aerospace is an Indian private aerospace manufacturer and launch service provider specializing in the development of cost-effective, on-demand launch vehicles for small satellites to enable frequent and flexible access to space.[1][2] Founded in June 2018 by former Indian Space Research Organisation (ISRO) scientists Pawan Kumar Chandana and Naga Bharath Daka, the company is headquartered in Hyderabad, Telangana, and employs over 500 experts in space technology and engineering.[2][3][4] Skyroot's mission is to democratize space access by blending India's space heritage with startup agility, making orbital launches as routine as air travel and supporting applications that improve life on Earth, such as satellite constellations for communication, Earth observation, and scientific research.[2][1] The company has raised USD 95.5 million in funding, one of the largest investments for an Indian space-tech startup, and operates from advanced facilities including the MAX-Q Headquarters and Infinity workspace in Hyderabad, with ISO 9001 and AS9100D certifications for quality and aerospace standards.[2] Key innovations include the Vikram series of rockets: Vikram-I, a two-stage vehicle capable of delivering up to 350 kg to low Earth orbit (LEO) or 260 kg to sun-synchronous orbit (SSO), featuring carbon composite structures, solid fuel boosters, and 3D-printed liquid engines, with its maiden orbital launch targeted for early 2026; and Vikram-II, planned for 2026, which can carry up to 900 kg to LEO or 600 kg to SSO using a cryogenic upper stage.[1][5][6] A major milestone was Mission Prarambh in November 2022, when Skyroot launched Vikram-S, India's first privately developed all-carbon composite suborbital rocket, from the Satish Dhawan Space Centre in Sriharikota, marking the inception of private space launches in the country and authorized by the Indian National Space Promotion and Authorisation Centre (IN-SPACe).[1][3] In 2025, Skyroot achieved successful testing of its orbital adjustment module and formed strategic partnerships, including a Memorandum of Understanding with Axiom Space in June for potential collaboration on space missions and a Strategic Partnership Agreement with Exolaunch in October to offer end-to-end satellite launch services.[7][8][9] Looking ahead, Skyroot plans to conduct quarterly launches starting in 2026, scaling to monthly missions by 2027, positioning itself in the rapidly growing global small satellite launch market, projected to exceed $25 billion by 2033.[5][10][11]

Overview

Founding and Leadership

Skyroot Aerospace was established on June 12, 2018, in Hyderabad, India, by Pawan Kumar Chandana and Naga Bharath Daka, both former scientists at the Indian Space Research Organisation (ISRO).[12] The company emerged from the founders' ambition to develop India's first privately built orbital launch vehicle, aiming to provide cost-effective access to space for small satellites and democratize space technology.[13] Chandana serves as co-founder and chief executive officer (CEO), while Daka holds the positions of co-founder and chief operating officer (COO).[2] Prior to founding Skyroot, Chandana and Daka gained extensive experience at ISRO, contributing to critical launch vehicle programs such as the Polar Satellite Launch Vehicle (PSLV) and Geosynchronous Satellite Launch Vehicle (GSLV).[14][13] Chandana, an IIT Kharagpur alumnus with degrees in mechanical engineering and thermal science, worked on systems engineering for solid rocket boosters and cryogenic stages in these projects, honing expertise in propulsion and integration.[14] Daka, similarly, applied his ISRO background in rocket development to support the startup's early technical foundation.[13] The leadership structure has evolved significantly since inception, with strategic hires from ISRO and other aerospace organizations bolstering the team's capabilities through 2025.[2] Key additions include experts in propulsion, avionics, and operations, drawn from ISRO's Vikram Sarabhai Space Centre and international firms, enabling the company to scale its workforce to over 500 professionals.[15] In June 2025, former ISRO Chairman S. Somanath joined as honorary chief technical advisor, bringing his launch vehicle expertise from missions like Chandrayaan-3 to guide Skyroot's orbital ambitions.[16] The board of directors further supports this structure, featuring industry leaders such as Mukesh Bansal, founder of Myntra and CureFit, and Mayank Rawat, managing director at GIC India.[2]

Mission and Operations

Skyroot Aerospace's mission is to democratize access to space by developing responsive, reliable, and cost-effective launch vehicles that enable on-demand small satellite deployments, ultimately making spaceflight as routine and accessible as air travel.[2] This objective addresses key barriers in the space industry, such as high costs and long lead times, by focusing on innovative technologies tailored for the small satellite market, thereby fostering broader participation in space activities.[1] The founders' prior experience at the Indian Space Research Organisation (ISRO) has informed this mission, emphasizing practical innovation drawn from public sector expertise.[7] Operationally, Skyroot prioritizes rapid prototyping and iterative testing to accelerate development cycles, leveraging advanced manufacturing techniques like 3D printing for components in its Vikram series rockets.[17] The company pursues vertical integration by handling in-house design, fabrication, and testing of critical systems, which minimizes dependencies on external suppliers and enhances control over quality and timelines.[18] As a key player in India's private space sector, Skyroot contributes to the national ecosystem by aligning with government reforms that promote commercial innovation and self-reliance in space technology.[5] Skyroot's infrastructure supports these operations through its headquarters and research and development center in Hyderabad, Telangana, which serve as hubs for engineering and prototyping activities. In January 2025, the company signed an agreement with the Telangana government to establish India's first integrated private rocket manufacturing, integration, and testing facility, backed by an investment of ₹500 crore to scale production capabilities.[19] As of November 2025, Skyroot employs approximately 500 professionals, underscoring its emphasis on building a skilled in-house team dedicated to the end-to-end design and realization of the Vikram launch vehicles.[5]

History

Early Development

Skyroot Aerospace was founded in June 2018 by former ISRO scientists Pawan Kumar Chandana and Naga Bharath Daka in Hyderabad, Telangana, with the goal of developing affordable launch vehicles to enable on-demand access to space.[20] The company was established as India's first private space launch provider, initially operating from a modest setup and focusing on leveraging indigenous space expertise combined with agile startup methodologies to design and prototype rocket systems.[2] Under the founders' leadership, early research and development efforts emphasized in-house innovation in propulsion and structural technologies, laying the groundwork for scalable launch capabilities. In the following years, Skyroot advanced its initial prototypes, conceptualizing the Vikram-S as a single-stage, solid-propellant sounding rocket to validate key subsystems such as carbon-composite structures and spin stabilization mechanisms.[21] This suborbital vehicle served as a technology demonstrator, with design and integration work progressing through 2019 and 2020 to test flight-critical components ahead of full-scale missions. Concurrently, the company conducted its first major propulsion validation in August 2020 by successfully test-firing the Raman-1, a hypergolic liquid upper-stage engine capable of precise orbital insertion maneuvers for small satellites.[22] This hot test at their Hyderabad facility marked India's first private-sector demonstration of a full-scale liquid engine technology, confirming ignition reliability and thrust performance.[23] By 2021, Skyroot secured essential regulatory milestones, including recognition from the Indian National Space Promotion and Authorization Centre (IN-SPACe) as one of the inaugural private entities authorized for space activities.[20] This paved the way for formal collaborations with ISRO, culminating in a September 2021 Framework Memorandum of Understanding (MoU) between the Department of Space and Skyroot, granting access to ISRO's testing facilities and technical know-how for prototype qualification. The agreement facilitated shared expertise in areas like propulsion testing and launch infrastructure, enabling Skyroot to accelerate validations without duplicating national assets.

Key Milestones and Funding

Skyroot Aerospace achieved a historic milestone on November 18, 2022, with the successful suborbital launch of its Vikram-S rocket from the Satish Dhawan Space Centre in Sriharikota, marking India's first privately developed rocket flight.[24] The single-stage, solid-propellant vehicle reached an apogee of 89.5 km, surpassing its target altitude of over 80 km, and carried three payloads while demonstrating key technologies like telemetry and separation systems.[12] This launch, named Mission Prarambh, was conducted in collaboration with ISRO under IN-SPACe authorization, validating the company's capabilities in private spaceflight.[25] The company's growth was bolstered by significant funding rounds, beginning with a $11 million Series A investment in May 2021 led by Greenko Group promoters, which supported Vikram-1 development and talent acquisition.[26] In September 2022, Skyroot raised $51 million in a Series B funding round led by GIC.[27] In October 2023, Skyroot secured $27.5 million in a pre-Series C round led by Temasek Holdings, with participation from existing investors including GIC and Chiratae Ventures, bringing total funding to over $95 million at the time.[28] As of November 2025, total funding raised is approximately $99.8 million.[29] These investments highlighted investor confidence in Skyroot's role in India's burgeoning private space sector. Skyroot received notable recognitions for its innovations, including the 2023 Excellence Award at the Indian Space Conclave for contributions to aerospace technology.[30] It was also acknowledged by IN-SPACe as a pioneer in private space activities, being the first to launch from ISRO facilities post-2020 reforms.[31] Earlier accolades, such as the National Startup Award in 2020 for propulsion technologies, further underscored its impact.[2] In 2025, Skyroot advanced toward orbital capabilities with key tests and partnerships. On October 14, it completed a full stage-level test of the Orbital Adjustment Module (OAM) for Vikram-1, firing over 1,000 thruster pulses to validate precise orbital maneuvers and attitude control.[9] Earlier in January, the company signed a Memorandum of Understanding (MoU) with the Telangana government to establish an integrated private rocket manufacturing, integration, and testing facility, backed by an investment of approximately ₹500 crore to create over 1,000 jobs and boost local space infrastructure.[19] These developments positioned Skyroot for its inaugural orbital mission later in the year.

Technology and Products

Launch Vehicles

Skyroot Aerospace's Vikram family of launch vehicles consists of small-lift rockets designed for suborbital and orbital missions, emphasizing lightweight carbon composite structures and a modular architecture to enable rapid assembly and scalability. These vehicles aim to provide cost-effective access to space for small satellites, supporting dedicated and rideshare launches with customizable orbital insertions. The family integrates in-house propulsion technologies, prioritizing reliability and performance for commercial operations.[1] The inaugural vehicle, Vikram-S, is a single-stage suborbital sounding rocket developed for technology demonstration and system validation. Standing 6 meters tall with a diameter of 0.375 meters and a launch mass of approximately 545 kg, it features an all-carbon fiber composite structure for enhanced strength-to-weight ratio. Launched successfully on November 18, 2022, from Sriharikota, it achieved a peak altitude of 89.5 km and a maximum velocity of Mach 5.07 during a 301-second flight, carrying three customer payloads to test avionics, telemetry, and recovery systems critical for future orbital vehicles.[25][32][33] Vikram-I represents the family's first orbital-class vehicle, a two-stage rocket capable of delivering payloads to low Earth orbit (LEO). With an all-carbon composite airframe and modular design allowing assembly in under 24 hours, it supports multi-satellite deployments. It can carry up to 260 kg to a 500 km sun-synchronous orbit (SSO) or 350 kg to LEO, though some analyses specify 290 kg to SSO and 480 kg to a 45° inclination LEO at 500 km. As of late 2025, Vikram-I remains in advanced development, with its maiden flight targeted for early 2026 following ground tests and integration milestones.[1][34][35] Vikram-II is an enhanced two-stage variant building on Vikram-I's architecture, incorporating advanced propulsion for increased performance. It features a carbon composite structure and is designed to handle up to 600 kg to SSO or 900 kg to LEO, enabling broader commercial applications for constellation deployments. Development is ongoing, with the first flight planned for 2026-2027 to demonstrate higher payload capacities and refined orbital precision.[1] Vikram-III is a conceptual reusable launch vehicle under early development, aimed at further scaling the family's capabilities with recoverable stages to reduce costs for frequent launches. While specific specifications remain preliminary, it targets payloads exceeding those of Vikram-II, potentially up to 800 kg or more to LEO, focusing on sustainability and higher mission rates. As of 2025, it is in the design phase, with reusability features drawing from lessons in the earlier Vikram models.[36][37]
VehicleTypeHeightLaunch MassPayload to SSO (500 km)Payload to LEO (500 km)Status (as of Nov 2025)
Vikram-SSuborbital6 m545 kgN/AN/ALaunched 2022
Vikram-IOrbital (2-stage)~18-21 m (7 storeys)N/A260-290 kg350-480 kgMaiden flight 2026
Vikram-IIOrbital (2-stage)N/AN/A600 kg900 kgIn development, flight 2026-2027
Vikram-IIIReusable OrbitalN/AN/A>600 kg (est.)>900 kg (est.)Conceptual
Note: Height for Vikram-I estimated from "7-storey" descriptions; exact masses beyond Vikram-S not publicly detailed in primary sources.[35][1][34]

Propulsion Systems

Skyroot Aerospace develops a range of propulsion systems, including solid rocket motors from the Kalam series, hypergolic liquid engines from the Raman series, and cryogenic engines from the Dhawan series, to power its launch vehicles. These systems emphasize indigenous design, 3D printing for key components, and testing at specialized facilities to enable rapid development cycles. The company's approach integrates solid propulsion for initial stages and liquid or cryogenic engines for upper stages, prioritizing reliability and performance in small-lift applications.[38][39] The Kalam series consists of solid rocket motors named after A.P.J. Abdul Kalam, utilizing carbon composite casings for lightweight construction. The Kalam-5 motor, with a peak sea-level thrust of 5.3 kN, underwent its first successful hot test in December 2020 at the Liquid Propulsion Systems Centre (LPSC) in Valiamala, Kerala, demonstrating stable ignition and burn characteristics over its duration. Building on this, the Kalam-100 motor, delivering approximately 100 kN of thrust, achieved qualification through static fire tests in May 2022 and further validation in April 2025, incorporating a flex-nozzle for thrust vector control to enhance steering precision. The Kalam-250 motor, serving as the second stage for the Vikram-I launch vehicle and delivering approximately 250 kN of vacuum thrust, underwent a successful static test firing on March 27, 2024, at the Satish Dhawan Space Centre (SDSC-SHAR), achieving a peak sea-level thrust of 186 kN during an 85-second burn.[40] In January 2026, the Kalam-250 stage arrived at SDSC-SHAR for pre-flight checks and integration ahead of the Vikram-1's maiden orbital launch.[41] Larger variants, such as the KALAM-1200 for primary boost stages, generated nearly 1200 kN of vacuum thrust in an August 2025 static test at the Satish Dhawan Space Centre, marking a significant scale-up in solid propulsion capability.[42][38][43][44][45] The Raman series features earth-storable hypergolic liquid engines using monomethylhydrazine (MMH) and nitrogen tetroxide (NTO) propellants, which ignite on contact for reliable restarts. The baseline Raman engine, a 3D-printed design, completed its inaugural hot test in August 2020, producing a combined thrust of 3.4 kN from a cluster of four units optimized for vacuum operation and precise attitude control. Subsequent developments include the Raman-1 variant for roll control, with a peak vacuum thrust of about 0.89 kN per engine, qualified through over 280 pulses and restarts in tests conducted in June 2023 at LPSC. These engines employ regenerative cooling to manage thermal loads during extended burns.[38][34] Skyroot's cryogenic propulsion efforts center on the Dhawan series, honoring Satish Dhawan, using liquid oxygen (LOX) and liquid methane (LCH4) for high specific impulse. The Dhawan-1 engine, a fully 3D-printed prototype with 1 kN vacuum thrust, achieved its first successful test fire in November 2021 at LPSC, validating cryogenic handling and combustion stability. This was followed by the Dhawan-II, scaling to 3.5 kN thrust, which endured a 200-second burn in April 2023, incorporating advanced 3D-printed injectors and valves for improved efficiency. A semi-cryogenic variant, combining kerosene with LOX for intermediate performance, is under development to bridge solid and full cryogenic systems.[39] Testing occurs primarily at ISRO-affiliated sites, including LPSC for liquid and cryogenic firings and the Satish Dhawan Space Centre for larger solid motor static tests, facilitating access to high-fidelity infrastructure. Extensive use of additive manufacturing for components like injectors, nozzles, and valves allows Skyroot to iterate designs quickly, reducing lead times from months to weeks while maintaining structural integrity under extreme conditions. These propulsion elements integrate into vehicles like Vikram-I for upper stage duties.[39][45][34]

Launch Operations

Suborbital Missions

Skyroot Aerospace conducted its inaugural suborbital mission, named Prarambh, with the launch of the Vikram-S sounding rocket on November 18, 2022, from the Satish Dhawan Space Centre at Sriharikota, India.[25][24] The single-stage vehicle, powered by a solid propulsion system, reached an apogee of 89.5 km and featured a total flight duration of approximately 300 seconds, with the engine burning out shortly after liftoff, demonstrating key flight dynamics in a controlled suborbital trajectory.[21][46] The primary objectives of the Vikram-S mission focused on validating critical subsystems essential for future orbital launches, including avionics for flight control, guidance, navigation, and telemetry; payload separation mechanisms; and recovery systems such as parachute deployment for splashdown in the Bay of Bengal. The mission also carried three customer payloads from BAZOOMQ (Armenia), Space Kidz (India), and N-Space Tech (India) to validate technology in space conditions.[25] These tests aimed to ensure reliable performance under real flight conditions, building on the rocket's carbon composite airframe and 3D-printed engine components.[25] Post-flight analysis confirmed the mission's success, with comprehensive data collected on vehicle performance, structural integrity under peak loads, aerodynamic stability, and overall telemetry streams, all aligning with pre-launch simulations.[25] The rocket achieved a peak velocity of approximately Mach 5 and splashed down 125 km downrange, enabling recovery and further examination of the systems without anomalies.[25] This launch marked a historic milestone as India's first successful private sector rocket flight, paving the way for commercial suborbital testing and underscoring Skyroot's role in expanding the nation's space ecosystem beyond government-led efforts.[24][46]

Orbital Launch Plans

Skyroot Aerospace plans to debut its Vikram-I orbital launch vehicle in February 2026 from the Satish Dhawan Space Centre in Sriharikota, marking India's first privately developed commercial orbital mission.[47][5][48][49] The mission aims to deploy customer satellites into a sun-synchronous orbit (SSO), supporting the growing demand for dedicated small satellite launches in low Earth orbit.[1][34] Following this inaugural flight, the company intends to conduct quarterly launches in 2026, scaling to monthly operations by 2027 to establish a reliable cadence for commercial space access.[5] The Vikram-I mission profile features a four-stage configuration, with three solid-propellant stages—the first being the Kalam-1200 for initial ascent, the second the Kalam-250, followed by the Kalam-100—and the Raman-1 liquid upper stage for precise orbital insertion. The vehicle's orbital adjustment module, which enables fine-tuning of satellite deployment trajectories, underwent a successful full stage-level ground test in October 2025, validating its performance for the upcoming flight.[9][50] Additionally, in January 2026, the Kalam-250 Stage-2 motor arrived at the Satish Dhawan Space Centre (SDSC-SHAR) in Sriharikota for pre-flight checks and integration, marking a key preparatory milestone ahead of the Vikram-I maiden flight.[41] This design emphasizes rapid integration and responsiveness, allowing for customizable mission profiles tailored to client needs.[1] Vikram-I supports a rideshare model, accommodating multiple small satellites with a total payload capacity of up to 260 kg to SSO, enabling cost-effective shared launches for diverse customers.[1] This approach facilitates the deployment of constellations for Earth observation, communication, and scientific applications, aligning with global trends in small satellite proliferation.[51] The orbital launches are integrated with the Indian National Space Promotion and Authorization Centre (IN-SPACe) for regulatory approval, safety oversight, and coordination with national space infrastructure, ensuring compliance with India's space policy framework.[3][52]

Partnerships and Collaborations

Domestic Initiatives

Skyroot Aerospace has actively pursued domestic partnerships to bolster India's burgeoning private space ecosystem, focusing on collaborations with government bodies and fellow startups to enhance technology transfer, infrastructure access, and policy advocacy. These initiatives underscore the company's role in fostering self-reliance in space launches and satellite deployment within the country.[53] In February 2021, Skyroot signed a Non-Disclosure Agreement (NDA) with the Indian Space Research Organisation (ISRO), enabling access to ISRO's technical expertise, testing facilities, and launch infrastructure at the Satish Dhawan Space Centre in Sriharikota. This agreement marked a pivotal step for private entities in leveraging public sector resources for commercial space activities, facilitating Skyroot's development of indigenous launch vehicles without compromising sensitive information.[54][55] Earlier, in November 2020, Skyroot entered into a Memorandum of Understanding (MoU) with Dhruva Space, a Hyderabad-based private satellite manufacturer, to collaborate on end-to-end launch services, including satellite integration for joint missions. This partnership aimed to streamline the process of deploying small satellites by combining Skyroot's launch capabilities with Dhruva's payload expertise, thereby reducing costs and timelines for Indian customers in the NewSpace sector.[56] Complementing this, Skyroot signed another MoU with Bellatrix Aerospace in February 2021 to integrate the latter's Orbital Transfer Vehicle (OTV) technology into the upper stages of Skyroot's Vikram launch vehicles. The OTV, a propulsion system designed for precise satellite orbit adjustments, allows for enhanced mission flexibility and efficiency in small satellite deployments, promoting shared innovation among Indian spacetech firms.[57][58] In January 2025, Skyroot formalized an agreement with the Government of Telangana during the World Economic Forum in Davos, committing ₹500 crore to establish India's first integrated private rocket manufacturing, integration, and testing facility in Hyderabad. This state-backed initiative, spanning 10 acres, will support the production and qualification of solid propulsion stages for Skyroot's Vikram series, accelerating the commercialization of affordable launch services and creating over 300 jobs in the region.[19][59] Skyroot has also contributed to India's private space policy reforms through its engagement with the Indian National Space Promotion and Authorisation Centre (IN-SPACe), advocating for streamlined regulations that enable private small satellite launches and technology demonstrations. As one of the early licensees under IN-SPACe's framework, Skyroot's inputs have helped shape guidelines for non-exclusive access to launch pads and spectrum allocation, supporting the growth of over 400 private space entities in the country.[60]

International Agreements

In June 2025, Skyroot Aerospace signed a Memorandum of Understanding (MoU) with U.S.-based Axiom Space to explore collaborative opportunities in space exploration and low-Earth orbit (LEO) access.[7] This agreement focuses on shared research and development efforts involving research payloads, orbital data center nodes, and missions to the Axiom Station.[7] In October 2025, Skyroot entered a strategic partnership with Germany's Exolaunch to enhance global satellite launch services.[61] Under this agreement, Exolaunch will integrate and deploy customer satellites using its EXOtube payload systems on Skyroot's Vikram-I (up to 350 kg to LEO) and upcoming Vikram-II (up to 900 kg to LEO) rockets, enabling multi-payload rideshare configurations.[61] The collaboration also includes joint marketing and mission execution to serve commercial, institutional, and government clients worldwide, particularly for sun-synchronous orbit (SSO) and LEO deployments.[61] In March 2025, Skyroot signed an agreement with WISeSat.Space, an affiliate of WISeKey, to collaborate on satellite launches from India, with the first joint mission planned for 2025.[62] Additionally, in October 2024, Skyroot entered a partnership with the Swedish Space Corporation (SSC) to provide launcher tracking services using SSC's ground station infrastructure for the Vikram-1 orbital launches.[63] These partnerships reflect ongoing discussions with international clients for rideshare opportunities, positioning Skyroot to expand its launch manifest beyond domestic markets.[61] Skyroot has achieved ISO 9001 and AS9100D certifications, ensuring compliance with international aerospace quality standards essential for global orbital operations.[64]

Future Developments

Upcoming Projects

Skyroot Aerospace is advancing its Vikram series with the Vikram-II launch vehicle, scheduled for its maiden flight in 2026. This vehicle introduces a cryogenic upper stage powered by the 3D-printed Dhawan-II engine, enabling significantly higher payload capacities of up to 900 kg to low Earth orbit compared to the all-solid Vikram-I.[1][65] The design combines solid propellant boosters for initial thrust with the cryogenic stage for efficient orbital insertion, supporting dedicated and rideshare missions for small satellites.[61] Looking further ahead, the company plans to incorporate reusable stages in future vehicles to reduce launch costs through booster recovery and landing technologies, drawing inspiration from proven recovery methods to enable more frequent and economical missions.[66] In parallel, Skyroot is exploring propulsion innovations aligned with sustainability goals, including full cryogenic upper stages across its vehicle lineup to improve efficiency and minimize environmental impact through higher specific impulse and reduced fuel waste. These efforts leverage advanced 3D-printing for engine components, supporting a greener approach to orbital access.[67][68] The company is also positioning for broader applications, with strategic partnerships enabling deployments for satellite constellations and potential interplanetary probes via customizable orbital solutions. Collaborations, such as with Exolaunch, facilitate end-to-end services for commercial and institutional customers deploying small satellite networks.[61][8]

Expansion and Challenges

Skyroot Aerospace has pursued aggressive growth strategies to scale its operations amid the burgeoning Indian private space sector. Following a $68 million funding round in August 2025, which brought its total funding to $95.5 million, the company has invested in expanding its workforce and infrastructure. As of late 2025, Skyroot employs over 500 personnel, with plans to further increase headcount to support higher launch cadences, targeting quarterly launches in 2026 and monthly by 2027. Additionally, the firm is developing new manufacturing and testing facilities, including a 300-acre rocket production site near Tirupati allocated by the Andhra Pradesh government in September 2025 and an integrated testing facility in Telangana announced in January 2025, aimed at enhancing in-house capabilities for rapid prototyping and validation.[69][70][71][72][73] Despite these advancements, Skyroot faces significant challenges in the competitive landscape. Supply chain dependencies, particularly for advanced carbon composites used in its lightweight rocket structures, have posed hurdles due to limited domestic sourcing and global volatility. Regulatory delays in approving private launches, stemming from evolving policies under IN-SPACe, have extended timelines for orbital missions, requiring navigation of complex certification processes. Furthermore, intensifying competition from domestic rivals like Agnikul Cosmos, which has also advanced suborbital testing and secured partnerships, pressures Skyroot to differentiate through faster turnaround and cost efficiency in the small satellite deployment niche.[74][5][13][75][76] To address sustainability and market viability, Skyroot emphasizes eco-friendly technologies and aggressive cost reduction. Its propulsion systems utilize liquefied natural gas (LNG) and liquid oxygen (LOX), which offer a greener alternative to traditional hypergolic fuels by reducing toxic emissions and production costs. The company aims to undercut industry averages on launch costs, positioning Skyroot to serve the growing demand for dedicated, on-demand small satellite launches while aligning with international sustainability goals and capturing a share of the global small satellite market, projected to reach over $11 billion by 2029.[77][68][78][79]

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