Story: Sulekha (Sharmila Tagore), a student of Botany, goes for a study camp. Professor Tripathi (Dharmendra), who is staying in the guesthouse where the college girls are put up, masquerades as a watchman to escape the students. Sulekha finds out the truth about his identity and they fall in love with each other. They get married but her elder sister and brother-in-law (Om Prakash) are unable to ... ...detailed story of Chupke Chupke