River Ganges originates from the hills of Himalayas at Gangotri and meets Bay of Bengal. The basin extends into 11 states viz. Uttranchal, Himachal Pradesh, Uttar Pradesh, Haryana, Delhi, Rajasthan, Madhya Pradesh, Bihar, Jharkhand, Chhattisgarh and West Bengal. In Madhya Pradesh, the basin extends up to the districts of Mandsaur, Ujjain, Shajapur, Rajgarh, Neemuch, Vidisha, Guna, Shivpuri, Datia, Gwalior, Morena, Sheopur, Bhind, Tikamgarh, Chhattarpur, Panna, Satna, Rewa, Ashoknagar, Shahdol, Sidhi, and Partly in the district of Annuppur, Umaria, Katni, Jabalpur. Mandla, Dindori, Dhar, Ratlam, Indore, Dewas, Sehore, Raisen, Sagar, Bhopal, and Damoh. The Ganges basin can be further sub-divided into three sub-basins viz. Yamuna, Tons and Sone, details of which are discussed below.