Question

what are duns? write any tree famous duns?

Answer 1

Dubs are longitudinal valleys formed as a result of folding when Eurasian plate and Indian plate collided.
Famous duns are
1 DEHRA
2 KOHTRI
3 PATLI
4 KOTA

Answer 2

duns are longitudinal valleys formed as a result of folding when Eurasian plate and Indian plate collided. They are formed between Lesser Himalayas and Shiwaliks. These valleys are deposited with coarse alluvium brought down by Himalayan rivers.
eg.: 1) Dehra dun
2) Kotli dun
3) Potli dun