Thikana (1987)

Ravi Goel is an alcoholic lawyer who doesn't gets cases as he refuses to lie.His mother is fed up of his frequent drinking while his elder sister Shashi is everything to him who also runs the house.MP Rane is taped in a video killing a girl which is recorded by a cameraman Avinash.Shashi is in relationship with inspector Ranbir who convinces Ravi to fight back cases.Ravi meets a dancer Natasha who happens to be sister of Avinash and comes to him asking for help to fight Avinash's case whose missing since a long time.Ravi starts taking Avinash's case seriously and finds that he was killed by Rane and Ranbir.But before his death he had hidden the video tape in a secret place which could expose Rane.