Thar Desert scale. Barmer district is in the news due to its large oil basin. The British exploration company Cairn Energy started production of oil on a large scale. Mangala, Bhagyam and Aishwariya are the major oil fields in the district. This is India's biggest oil discovery in 22 years. This promises to transform the local economy, which has long suffered from the harshness of the desert. The Government of India initiated departmental exploration for oil in 1955-56 in the Jaisalmer area, Oil India Limited's discovered natural gas in 1988 in the Jaisalmer basin. Also known for their fine leather messenger bags
Thar Desert villages. During famine years in the desert the nomadic rebari people move with large herds of sheep and camel to the forested areas of south Rajasthan or nearby states like Madhya Pradesh for grazing the cattle. The importance of animal husbandry can be understood from the organization of large number of cattle fairs in the region. Cattle fairs are normally named after the folk-deities. Some of major cattle fairs held are Ramdevji cattle fair at Manasar in Nagaur district, Tejaji cattle fair at Parbatsar in Nagaur district, Baldeo cattle fair at Merta city in Nagaur district, Mallinath cattle fair at