Samaj Ko Badal Dalo is a 1970 Bollywood drama film directed by V. Madhusudhan Rao. The film stars Ajay Sahni, Sharada, Pran, Kanhaiyalal, Prem Chopra, Mukri, Kanchana, Dhumal, Aruna Irani. It is the Hindi version of the Telugu film "Manushulu Marali", which is a remake of the Malayalam movie, Thulabharam (1968) by A. Vincent.
Samaj Ko Badal Dalo (Change This World) is an Indian 1947 Hindi social melodrama film directed by Vijay Bhatt. Produced under the Prakash Pictures banner, its music composer was Khemchand Prakash with lyrics by Pandit Indra, Roopdas, and Qamar Jalalabadi. The story, screenplay and dalogues were by Pandit Girish. Its cinematographer was Yusuf Mulji and the film starred Arun Ahuja, Mridula, Yakub, Leela Pawar, Umakant and Bikram Kapoor.
Bhatt's social film dealt with the issue of "mismatched" marriages and advocated divorce, setting a partner free in order to choose their own mate.Samaj Ko Badal Dalo (1970) is a film of the same name directed by V. Madhusudan Rao and produced by Gemini, however it had no relation to the 1947 film, but was instead a remake of A. Vincent's award-winning Malayalam Thulabharam (1968)
Kishore (Arun) and Manorama (Mridula) are in love with but unable to get married. Mridula's father is a clerk, who can't afford to pay the dowry demanded by Arun's family. Jayant (Yakub) is a widower, and Mridula is married off to him. His cruel behaviour becomes apparent when he starts torturing Mridula soon after their marriage. Arun's parents get him married to the rich Champa (Leela Pawar) who is in love with someone else. Arun helps her get married to Naresh, the man she loves, by giving her a divorce. Arun watches the torture inflicted on Mridula and the story then continues through tense scenes where eventually Arun kills Jayant and unwittingly Mridula too, following which he's sent to a mental asylum having been declared insane.