Suhaag (1979)
Long-lost twins, Amit and Inspector Kishan, happen to cross paths and develop a deep bond. Trouble ensues when their criminal father, who is unaware of his sons' identities, hires Amit to kill Kishan.
Cast:
Amitabh Bachchan, Shashi Kapoor, Rekha, Parveen Babi, Nirupa Roy, Amjad Khan, Ranjeet, Kader Khan , Jeevan, Jagdish Raj