Ek Tha Chandar Ek Thi Sudha (English: One was Chander one was Sudha) is an Indian television series, which premiered on 21 September 2015 and is broadcast on Life OK. The series is produced by Ashwni Dhir's Garima Productions and aired every Monday to Friday night. The series is a tragic love story and is a 20-episode series based on Dharamvir Bharati’s iconic 1949 novel, Gunahon Ka Devta. Rahil Azam and Umang Jain appeared in lead roles.