The Prarthana Samaj, which is one of the important reform movement in western India is founded by?
Prarthana Samaj, or "Prayer Society" in Sanskrit, was a movement for religious and social reform in Bombay based on earlier reform movements. Prarthana Samaj was founded by Atmaram Pandurang with the help of Keshav Chandra Sen in 1867, with an aim to make people believe in one God and worship only one God. It became popular after Mahadev Govind Ranade joined. The main reformers were the intellectuals who advocated reforms of the social system of the Hindus.