In which one of the following States is Pakhui Wildlife Sanctuary located?

The correct option is Arunachal Pradesh.

Explanation:

Pakhui Wildlife Sanctuary (also known as Pakke Tiger Reserve) is located in the East Kameng district of Arunachal Pradesh in Northeastern India.

Key highlights about Pakhui Wildlife Sanctuary:

1. Location: Situated in the foothills of the Eastern Himalayas in Arunachal Pradesh.
2. Biodiversity: It is famous for its conservation efforts to protect hornbills, particularly the Great Hornbill, Wreathed Hornbill, Oriental Pied Hornbill, and Rufous-necked Hornbill.
3. Protected Status: It was declared a sanctuary in 1977 and was declared a Tiger Reserve under Project Tiger in 2002.