Tapas Sen was a noted Indian stage lighting designer, who was an important figure in 20th-century Indian theatre. He started working with Bengali theatre movement in Kolkata in the late 1940s, along with noted directors, Utpal Dutt and Shambhu Mitra. Later he became a founding member of the Indian People's Theatre Association's (IPTA), Delhi chapter, and worked closely with Hindi theatre. Through his career stretching five decades he worked theatre directors, Ebrahim Alkazi, Vijay Tendulkar, and also dancers Sadhana Bose, Chandralekha, Birju Maharaj and Kelucharan Mahapatra. He was known not only for his creative stage lighting, but also had a significant impact on the work of leading theatre director of the time.