AWestern Himalayas
BEastern Himalayas
CSouthern Himalayas
DNorthern Himalayas
Answer:
B. Eastern Himalayas
Read Explanation:
The Purvanchal Hills form the easternmost region of the Himalayan mountain range, extending from the eastern border of Nepal to the northeast states of India.
They include hills and mountains in states like Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, and Tripura.
These hills are generally lower in elevation compared to the main Himalayan ranges.
The Purvanchal range includes several sub-ranges such as:
Patkai Hills (as mentioned in the similar question on the webpage)
Naga Hills
Manipur Hills
Mizo Hills (Lushai Hills)
Garo Hills
Khasi Hills
Jaintia Hills
The Purvanchal Hills are ecologically important as they receive heavy rainfall and host rich biodiversity with diverse flora and fauna.