Consider the following statements regarding mountains.
1. Karewas are the thick deposits of glacial clay and other materials embedded with moraines.
2. The lesser Himalayas is locally known as Nagtibha in Himachal Pradesh.
3. Dehra dun is the largest of all the duns.
Which of the following statements given above is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
All are correct.