Hemis Festival is celebrated in Ladakh, in the far north of India, at Hemis Monastery. Monks in brocade robes and painted masks perform cham dances in the monastery courtyard. It follows the Tibetan lunar calendar and usually falls in June or July, with exact dates confirmed on enquiry each year.
If you are asking which state hosts the Hemis Festival, the short answer is Ladakh, not a state in...