Sri Sarada Devi(1853–1920)is known as the Holy Mother among the devotees and admirers and was the spiritual consort of Sri Ramakrishna Paramahamsa who is worshiped as an God incarnate all over the world. Sri Ramakrishna revealed her as an incarnation of Goddess Sarasvati who came to remove ignorance of the suffering humanity.
Holy Mother Sri Sarada Devi stayed in northern side of (present shrine room) Nilambar Garden House (see above Picture) at different times. Before shifting to the present site Ramakrishna Math functioned here. Swami Vivekananda too stayed in this house which now belongs to Belur Math.
During the following periods Holy Mother stayed in this house:
i) May to October, 1888.
ii) June 1893 onwards for a few months she stayed here and did Panchatapa (austerity of five fires).
iii) April, 1898 (one day in the last week of April)