GS and General English JE Civil PWD 05 -2025 This question tests the knowledge of prominent Indian social reformers and their significant contributions. It's important to associate the correct reformer with their specific social reform movement or act. - Jyotirao Phule founded the Satyasodhak Samaj (Truth-Seekers' Society) in 1873 to advocate for the rights of the lower castes and women. - Raja Rammohan Roy was instrumental in the abolition of Sati through the Sati Prohibition Regulation Act, 1829, championed by Lord William Bentinck. - Ishwar Chandra Vidyasagar strongly advocated for widow remarriage and played a key role in the passing of the Hindu Widows' Remarriage Act, 1856. - Mahadev Govind Ranade was one of the founders of the Prarthana Samaj (Prayer Society) in 1867, which worked for religious and social reform.