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
Twilight in the Desert Twilight in the Desert Twilight in the Desert: The Coming Saudi Oil Shock and the World Economy is a book by American investment banker Matthew Simmons. The text was initially published on June 10, 2005 by John Wiley & Sons. The book focuses on the petroleum industry of Saudi Arabia and posits that this country is approaching—or already at—its peak oil output and cannot substantially increase its oil production. —Review on theoildrum.com Simmons' prediction of rising oil prices made in "Twilight in the Desert" led to a bet with "New York Times" columnist John Tierney in August 2005. The two