Astitva – Ek Prem Kahani (transl. 'Existence – a love story') is a Hindi soap opera and drama that aired on the Zee TV channel from 17 November 2002 to 13 January 2006. The story focuses the character of Dr. Simran, who navigates struggles in her personal and professional life. She is a gynecologist who enters a complex situation when she marries a man ten years younger than herself.

Dr. Simran Mathur, a renowned gynecologist, is the eldest child of senior government officer Saurabh and homemaker Padma. Simran has two younger sisters, Kavita and Rashmi, and Simran’s parents worry about their eldest daughter being unmarried and in her mid-thirties. The show progresses with Simran falling in love, with a man ten years younger than her, named Abhi.

Simran and Abhi eventually face problems in their relationship, and face criticism for their age difference and choices throughout the show. The series covers the issues of gender roles, marital issues, familial relationships, and personal identity.

The series had a crossover with Reth.

2003 3rd Indian Television Academy Awards

Best Actress (Drama) - Niki Aneja Walia as Dr. Simran Mathur

Best Director (Drama) - Ajai Sinha

2005 2nd Apsara Awards