After death of Himanshu Rai, founder of from Bombay Talkies Studio in 1940, a group led by producer Sashadhar Mukherjee along woth with production controller Rai Bahadur Chunilal, actor Ashok Kumar and Mukherjee, broke away to establish the Filmistan studio in March 1943 at the premises of old Sharada Movietone studios in Goregaon, Mumbai.