Hum Rahe Na Hum (1984)

Brij Mohan is married to the beautiful Kalyani, but is unhappy in his marriage: he doubts the sincerity of his wife's feelings. One day he sees with his own eyes her betrayal and decides to commit suicide by jumping at full speed from the train. Bloody, crippled, he is picked up by a woman named Mohini. She nurses him, and when he recovers, they become husband and wife. Years pass. Bridge is now known as the powerful and wealthy man Pratap Sahani. He is proud of his son Rahul, who works in the police and one day gets on the trail of a dangerous gang led by a certain Madam. She turns out to be Kalyani. After finding out who Rahul's father is, she decides to take revenge on her ex-husband. However, she fails to realize this plan: the son comes to the aid of his father in time.