 He is the author of the book Bridal Caves (INTACH, New Delhi, 1995); Antiquarian Remains of Jharkhand (Aryan Books International, New Delhi, 2014), written monographs on tribes like the Birhors and the Santhals.He has made several films on tribal art and culture of Jharkhand.He is a researcher and an authority in fields related to archaeology, tribal and rock art, vernacular folklore and history.