Among the following statements, which is not true?
1) Himachal range is mainly composed of highly compressed rocks.
2) The Pirpanjal and Mahabharata ranges form the important ranges of the Himachal.
3) The average elevation of Himachal range is about 6,100 mts. above MSL.
4) The portion of range found south of the Greater Himalayas is known as ‘Lesser Himalayas’.