Sir (1993) -- IMDb: 6.8/10

IMDb: 6.8/10 

Actors:  Naseeruddin Shah, Kunal Khemu, Pooja Bhatt,

Plot:  Aman Verma, a professor, devotes his life to his students after his son dies in a gang war. However, he learns that one of his pupils is the daughter of the gangster who killed his child.