Let's examine each pair: A) Raja Ram Mohan Roy - Brahma Samaj: Correct. Raja Ram Mohan Roy founded the Brahmo Sabha in 1828, which later became the Brahmo Samaj, a significant socio-religious reform movement. B) Swami Dayanand Saraswati - Arya Samaj: Correct. Swami Dayanand Saraswati founded the Arya Samaj in 1875, promoting a return to Vedic principles and advocating social reforms. C) Swami Vivekanand - Ramkrishan Mission: Correct. Swami Vivekananda founded the Ramakrishna Mission in 1897 to carry out philanthropic and spiritual activities based on the teachings of his guru, Ramakrishna Paramahamsa. D) Mahadev Govind Ranade - Theosophical Society: Incorrect. Mahadev Govind Ranade was a prominent social reformer, jurist, and one of the founding members of the Indian National Congress and the Prarthana Samaj. He was not associated with the founding or leadership of the Theosophical Society. The Theosophical Society was founded by Madame H. P. Blavatsky and Colonel H. S. Olcott and later became prominent in India under the leadership of Annie Besant.