Mamta is a 1966 Hindi film, directed by Asit Sen, with music by Roshan. The movie starred Suchitra Sen, Ashok Kumar and Dharmendra. The film about middle class fears and class conflict, has lead actress Suchitra Sen in a double role. The film is also noted for its music by Roshan and lyrics by Majrooh Sultanpuri, in songs like, Rahen Na Rahen Hum sung by Lata Mangeshkar and her hit duet, Chuppa Lo Yun Dil Mein Pyar Mera with Hemant Kumar. The film performed "above average" at the box office. The film was remake of Asit Sen's own earlier Bengali film, Uttar Falguni , also starring Suchitra Sen, which had won the 11th National Film Award for Best Feature Film in Bengali. Wikipedia