Khubsoorat got Rekha her first Filmfare Best Actress Award for her role as Manju Dayal. Nirmala Gupta (Dina Pathak) runs her household and family in an authoritarian manner. While most of her family resent this, they do obey her, to be on her good side. Things start to change after her second son gets married to Anju. Manju, Anju's sister, comes over to stay for a few days with the Gupta family, and everyone accepts her except Nirmala. Nirmala's third son intends to marry Manju. But Manju does not like the manner in which his mom bosses everyone along, and feels some changes are needed in the Gupta household.