The life periods of the reformers are: (a) Raja Ram Mohan Roy: 1772–1833 (b) Jyotirao Phule: 1827/1828–1890 (c) M.G. Ranade: 1842–1901 (d) D.K. Karve: 1858–1962 Matching these with the given options: (a) Raja Ram Mohan Roy (1772-1833) matches with 4 (1772-1833). (b) Jotiba Phule (1828-1890) matches with 3 (1828-1890). (c) M.G. Ranade (1842-1901) matches with 2 (1842-1901). (d) D.K. Karve (1858-1962) matches with 1 (1858-1962).