Jadi Jantem

Jadi Jantem ("English: If I Knew") is a 1974 Indian Bengali-language drama thriller film directed by Tarun Majumdar as Yatrik. This movie was released under the banner of "Chitrajug". Uttam Kumar played the role of main protagonist of the movie, Mr. P. K. Basu, Bar-at-law. This movie was based on the thriller novel "Nagchampa" of Narayan Sanyal.
Plot.
Koushik Mitra, an engineer took a job of taxi driver because he was unable to find an appropriate service. One day he meet with Sujata, a scientist's daughter and they fell in love. Sujata was trapped in a conspiracy where she is accused of a murder. Barrister P. K. Basu defends on behalf of Sujata and starts investigation to find out the real culprit. What follows is a twist to find the actual shooter who killed the infamous Aggarwal.