[1] Before she became President of the Sri Sarada Math, she was headmistress of Sister Nivedita's Girls' School from 1946 to 1948, part of a life-long interest in women's education, as envisaged by Swami Vivekananda.
[4] In childhood, Renuka visited Dakshineswar Temple and Kankurgachi Yogodyan, both dedicated to the life and work of Sri Ramakrishna.
[3] Her uncle, Dr Satyesh Chandra Mitra, introduced Renu to Ramakrishna Mission and Belur Math.
[clarification needed][5] In 1942 she passed a Master of Arts in Ancient Indian history and decided to lead a life of celibacy.
[6] In 1953, on the 100th birthday of Holy Mother Sri Sarada Devi, Renu was one of seven staff at Sister Nivedita Girls' School and other affiliated organizations to receive the vow of Brahmacharya (celibacy).
She established a charitable dispensary of homeopathic treatments in Dakshineswar, which helped Sri Sarada Math to garner local support for its activities.
She was a student of ancient history and read widely on many subjects, including literature, astronomy, geography and philosophy.
Bengali newspaper Anandabazar Patrika reported that many dignitaries and lay devotees had come to see her last rites to pay their respects.