 Swami Nirmalananda (1863-1938), whose original name was Tulasi Charan Dutta, was born in an affluent family of Baghbazar of North Kolkata in 1863.Because of the premature death of his mother, he had to shift to Varanasi with his family.In the primary school, Swami Vijnanananda (Hari Prasanna) was his classmate.