Putting SINDOOR in the ‘Maang’ is believed to be a symbol of luck for an Indian married woman. But for Laxmi (Jaya Prada), it brought about twists and turns in her life. Laxmi along with Kumar (Rishi Kapoor) performed on stage and were famous as a singing couple. Their platonic relationship was doubted by Laxmi’s husband,Prof. Vijay Chowdhry’s (Shashi Kapoor) with the result that they are separated. Destiny has other plans for Laxmi who meets Prem Kapoor (Jeetendra)
who dies leaving his little daughter Lalita in Laxmi’s arms. Shc dedicates her life for the upbringing of Lalita and nurtures her with love and affection. On growing up, Lalita (Neelam) meets Ravi (Govinda) in college and both fall in Love. Ravi’s Uncle, Advocate Dharam Das (Kader Khan) agrees for the relationship but puts a condition that Lalita has to pass her exam with good marks. Lalita requests Prof. Vijay Chowdhary, the newly appointed teacher, to give her tuition. When Prof. Vijay reaches Lalita’s house, he is shocked to see Laxmi as the widow mother of Lalita. The evils within the society poison Lalita’s and Ravi’s minds with talks about an illicit relationship between Laxmi & Prof. Vijay Chaudhary. But a truth can’t be hidden by lies. One day the truth of Laxmi’s sacrifices emerges before the world and Lalita and Ravi gift Laxmi her SINDOOR.