Samaj Ko Badal Dalo (Change This World) is a 1947 Indian Hindi social melodrama film directed by Vijay Bhatt.

Its cinematographer was Yusuf Mulji and the film starred Arun Ahuja, Mridula, Yakub, Leela Pawar, Umakant and Bikram Kapoor.

[3] 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.

Mridula's father is a clerk, who can't afford to pay the dowry demanded by Arun's family.

The playback singers were Mohammed Rafi, Manna Dey, Arun Kumar Ahuja and Amirbai Karnataki.