What are the valley like plains found between Shiwalik and Lesser Himalaya called?

Correct answer: Dun

The direct answer is option A: Dun. A dun is a longitudinal valley or valley-like plain located between the Shiwalik range and the Lesser Himalaya, also called Himadri in some school descriptions. Rivers and sediments help form these relatively level valleys. Dehradun is the best-known example, although other duns occur in the Himalayan foothills. Option A is correct because it names the specific landform between these two Himalayan ranges. Option B, a delta, forms where a river deposits sediment near its mouth, usually in a low coastal or lake setting. Option C, Rann, refers to a broad salt marsh or saline plain, especially in Gujarat. Option D, Kachchh, is a region of Gujarat and is not the name of this Himalayan valley landform. Do not confuse Dehradun city with the geographical term dun; the city is an example of a dun valley. Memory cue: between Shiwalik and Lesser Himalaya, remember “Dun,” especially Dehradun.