Story: Disciplinarian Shanti Swaroop (Ashok Kumar) alienates himself from his wife Urmilla (Indrani Mukherjee); son, Ravi (Sunil Dutt), and daughter, Roopa (Yogeeta Bali). His wife passes away, and he marries another woman, Maya (also Indrani Mukherjee), who looks like his wife. Maya has an on-going affair with Heeralal "Heera" (Ramesh Deo) unknown to Shanti Swaroop. A fall from a staircase makes ... ...detailed story of Zameen Aasmaan