Khudgarz (1987)

Sita Sinha has brought up her son, Bihari and his friend, Amar as her own. The three are very close to each other. When they grow up they maintain their friendship and love for each other. Amar marries wealthy Jaya, and Bihari marries a labourer. Amar's dad, Mr. Saxena does not like Bihari, and schemes to separate them. He succeeds, and Bihari is humiliated. Bihari blames Amar, and swears to bring about his downfall at all costs.