In April,1952 he went to Kolkata, met Ritwik Ghatak and joined him as an assistant director in his first directorial assignment Bedeni (Bengali) which unfortunately could not be completed. Then Moonis assisted him in Nagarik.
In November 1953, coming to Mumbai with Satyen Bose, Moonis had been associated in almost all the films that Bose directed. First as an assistant to him, then a dialogue and screenplay writer and occasionally a lyricist.
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