Explanation:

Vishnu Shastri Pandit and Mahadev Govind Ranade founded Widow Remarriage Association (1861). Hence, pair 1 is not correctly matched.
• Keshub Chandra Sen laid the foundation stone of his new church, the Tabernacle of New Dispensation and the newly constructed chapel was consecrated in 1869. He introduced into the church the Pilgrimage to saints, the Flag ceremony, the Arati, the Savitri Vrata and other innovations. He mentions that this New Dispensation is '...a Divine message sent to India... It comes not to destroy but to fulfil the law and the prophets. Hence, pair 2 is correctly matched.
• Theosophical Society was founded in the USA in 1875 by a Russian spiritualist Madame H.P. Blavatsky and an American Col. H.S. Olcott. Its influence spread in India under Annie Beasant in 1893 who played an important role in India’s struggle for freedom. Hence, pair 3 is not correctly matched.