Answer: (Detailed Solution Below)
Option B: Gaddi
Detailed Solution:
The correct answer is “Gaddi”.
The important tribe of the Dhauladhar Range is: (2) Gaddi
1) Abor tribe is found in Arunachal Pradesh.
3) The Lepcha people are primarily concentrated in the Eastern Himalayas, Sikkim, and Darjeeling.
4) The Tharu tribe inhabits the Terai region of Nepal and parts of Northern India.