The diggi is a folk drum of the Gharia people of Uttar Pradesh.
Other Sites of Interest
Folk Drums and Tribal Girls: Sounding the Himalayas in Indian Film
Drums of India: A Pictorial Selection
The "Dḩāk", Devi Amba's Hourglass Drum in Tribal Southern Rajasthan, India
The Role of the Phariya in Tribal Acculturation in a Central Indian Market
Bower: Drums Behind the Hill (Book Review)