INDIAN GEOGRAPHY

Detailed explanation-1: -Explanation: The longitudinal valley lying between the lesser Himalayas and the Shiwaliks are known as Duns. They are formed due to deposits of the rivers which once accumulated in the region.

Detailed explanation-2: -Major duns found in the region are Dehra, Kothri, Chaukham, Patli and Kota.

Detailed explanation-3: -’Duns’ are longitudinal valleys between the Lesser Himalayas and the Shiwaliks. Dun is a local word for valley, particularly an open valley in the Sivaliks or between the Sivaliks and higher Himalayan foothills. Other valleys in this region have names like Patli Dun, Kotli Dun, Pinjore Dun in Himachal.

Detailed explanation-4: -Detailed Solution. The correct answer is option 2 i.e., Duns. The valley between the lesser Himalayas and Shivalik is also called Duns. Duns are the longitudinal Valleys which are filled with sediments.

Detailed explanation-5: -Duns – the duns or duars are the valleys found in the Shiwalik range, these are open valleys between the Shivalik and the higher Himalayan foothills. These duns are longitudinal valleys which are formed due to folding which occurs when the Eurasian and the Indian plate collide with each other.