Priti was born in a Kashmiri family on December 24, 1957 in Bombay, Maharashtra, India. Her dad is veteran actor D.K. Sapru, and her brother is character actor, Tej Sapru. The Sapru family used to live in a big bungalow at Juhu Tara, near Juhu Beach, Bombay. She studied in St. Joseph's High School, Juhu, Bombay, up until the 9th standard. An ardent lover of pets, she often celebrated their birthdays. She has acted in lead as well as in supporting roles in a fairly large number of Punjabi language movies, and occasionally takes up the role of a supporting actress in Hindi movies. She has also directed some Punjabi movies like 'Qurbani Jatt Di'. She is married to Upvan Sudarshan, a practicing architect and a film producer and director. They are working on several film projects in Hindi and Punjabi that should be released in the near future. Priti has twin daughters Riya Walia and Rene Walia who were born in May, 2009. She is proficient in Hindi, English, and Punjabi languages.