She began learning Kathak at a very young age in Kolkata, India. In the United States, she continued training in Kathak with Janaki Patrik and Satya Narayan Charka. Since 1998, Mitra has been learning Kathak from Pallabi Chakravorty. She has performed with the Courtyard Dancers, led lectures and demonstrations of Kathak, assisted Chakravorty in teaching Kathak, and served as a reviewer for the annual Erasing Borders Dance Festival organized by the Indo-American Arts Council in New York.