Concept:The Ramakrishna Mission was founded by Swami Vivekananda in 1897 to spread the teachings of Sri Ramakrishna and promote social service. Explanation:Swami Vivekananda established the Ramakrishna Mission in 1897 at Belur Math, West Bengal. Its goal is to combine spirituality with practical welfare work like education and healthcare. The mission follows Vedantic philosophy and emphasizes universal brotherhood. Option A (Vidyasagar in 1899) is incorrect. Option B (Swami Vivekanand in 1899) has the wrong year. Option C (Swami Vivekanand in 1897) is correct. Option D (More than one of the above) is false. Answer:Option C: Swami Vivekanand in 1897