Geography of India of the world's most intensely farmed areas. The main crops grown are rice and wheat, which are grown in rotation. Other important crops grown in the region include maize, sugarcane and cotton. The Indo-Gangetic plains rank among the world's most densely populated areas. The Thar Desert (also known as "the deserts") is by some calculations the world's seventh largest desert, by some others the tenth. It forms a significant portion of western India and covers an area of . The desert continues into Pakistan as the Cholistan Desert. Most of the Thar Desert is situated in Rajasthan, covering 61% of
Thar coalfield Thar coalfield The Thar coalfield is located in Thar Desert, Tharparkar District of Sindh province in Pakistan. The deposits—16th-largest coal reserves in the world, were discovered in 1991 by Geological Survey of Pakistan (GSP) and the United States Agency for International Development. Pakistan has emerged as one of the leading countries—seventh in the list of top 20 countries of the world after the discovery of huge lignite coal resources in Sindh. The economic coal deposits of Pakistan are restricted to Paleocene and Eocene rock sequences. It is one of the world's largest lignite deposits discovered by GSP in 1990s, spread