Himachal is in the western Himalayas. Covering an area of 55,673 square kilometres (21,495 sq mi), it is a mountainous state. ... Himachal Pradesh provides water to both the Indus and Ganges basins. The drainage systems of the region are the Chandra Bhaga or the Chenab, the Ravi, the Beas, the Sutlej, and the Yamuna....