Ramakrishna Math, 1 Udbodhan Lane, Baghbazar, Kolkata, is a branch of Ramakrishna Math and Ramakrishna Mission, Belur Math, (Worldwide headquarter of all RKM centres and sub-centres.) The centre is well known as The Mother's House and also Udbodhan. Udbodhan Office is the premier publishing house of Bengali books of Ramakrishna Math & Ramakrishna Mission and has immensely contributed to the spread of Ramakrishna-Vivekananda and Vedanta ideology through its publications.
Apart from the daily worship, publication work and the magazine, Sri Ramakrishna Math, Baghbazar is active in its task of spreading the ideal as preached by Sri Ramakrishna. On every Sunday, Thursday and Friday, regular classes (Monthly Spiritual Discourse) on scriptures and other books of Sri Ramakrishna-Vivekananda literature are conducted for the devotees after the evening arati. Special worship is conducted on the birth days of Swami Saradananda and the Holy Mother, and also on the Maha Ashtami day of Durga Puja. Night-long worship is conducted on Phalaharini Kali Puja, Kali Puja and Shiva Ratri days.