Swami Vivekananda and Ramakrishna Mission 

On the 1st of May, 1897, Swami Vivekananda established Ramakrishna Mission at the monastery of Belur Math near Kolkata.
Ramakrishna Mission is a spiritual organisation which forms the core of the Vedanta Movement. Apart from religious and spiritual teaching, the organisation carries out extensive educational and philanthropic work in India. Self-perfection and service were his ideals, and the order continued to stress them. Its ideals are based on Karma Yoga.
Ramakrishna Mission has been engaged in serving humankind without the distinction of caste, creed, colour, race, nationality, gender or any other distinction, in the fields of education, health, relief & rehabilitation, etc., for more than a century. The twin organizations, Ramakrishna Math and Ramakrishna Mission, are international organizations with 142 branch centres in India and 47 branches outside India.