Farz Ki Jung - 1989

Honest, hardworking, and diligent Police Inspector Vikram, gets his just reward by being arrested for possesion of drugs. His mother gets a shock, and passes away instantly. Vikram is then tried in court, convicted, and sentenced to prison for several years.

While he prison he acquires knowledge and skills to become a career criminal, as he now realizes that honesty does not pay, not realizing that this is going to pit him against his very own brother, Inspector Amar, who has also inherited Vikram?s honesty and diligence.
(IMDB)