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 Desert hymn in the Rigveda mentions the Sarasvati between the Yamuna in the east and the Sutlej in the west, and later Vedic texts like Tandya and Jaiminiya Brahmanas as well as the Mahabharata mention that the Sarasvati dried up in a desert. Most scholars agree that at least some of the references to the Sarasvati in the Rigveda refer to the Ghaggar-Hakra River. There is also a small present-day Sarasvati River ("Sarsuti") that joins the Ghaggar. The epic "Mahabharata" mentions the Kamyaka Forest situated on the western boundary of the Kuru Kingdom (Kuru Proper and Kurujangala), on the banks of