Rupankar Bagchi was born in a Bengali family and at an early age, he learned classical vocals from his father Ritendra Nath Bagchi, and Rabindra Sangeet from his mother Sumitra Bagchi. He was trained in classical music from Sukumar Mitra and in modern songs from Jatileswar Mukhopadhyay. His first stage performance was at the age of eleven. In 1999, he married Chaitali Lahiri.