<P> The Vindhyas are one of the only two mountain ranges mentioned in the national anthem of India, the other being the Himalayas . </P> <P> Several tributaries of the Ganga - Yamuna system originate from the Vindhyas . These include Chambal, Betwa, Dhasan, Ken, Tamsa, Kali Sindh and Parbati . The northern slopes of the Vindhyas are drained by these rivers . </P> <P> Narmada and Son rivers drain the southern slopes of the Vindhyas . Both these rivers rise in the Maikal hills, which are now defined as an extension of the Satpuras, although several older texts use the term Vindhyas to cover them (see Historical definitions above). </P> <P> The "Vindhyan Supergroup" is one of the largest and thickest sedimentary successions in the world . </P>

Map of mountain and hill ranges of india