<P> The Sivalik Hills is a mountain range of the outer Himalayas . It is about 2,400 km (1,500 mi) long enclosing an area that starts almost from the Indus and ends close to the Brahmaputra, with a gap of about 90 kilometres (56 mi) between the Teesta and Raidak rivers in Assam . The width of the Sivalik Hills varies from 10 to 50 km (6.2 to 31.1 mi), their average elevation is 1,500 to 2,000 m (4,900 to 6,600 ft). </P> <P> In some Sanskrit texts, the region is called Manak Parbat . Shivalik literally means' tresses of Shiva' . Other spelling variations used include Shivalik and Siwalik, originating from the Hindi and Nepali word shiwālik parvat . Other names include Churia hills, Chure hills, and Margalla Hills . </P>

In which part of haryana does shiwalik range exist