Sashadhar Mukherjee
He started his career with Bombay Talkies in the 1930s , and later established Filmistan Studio with Rai Bahadur Chunilalis ( father of music director Madan Mohan ) , Ashok Kumar and Gyan Mukherjee in 1943 . 
<triplet> Filmistan Studio <subj> 1943 <obj> inception