The _______ is the least densely populated state in India.
- Arunachal Pradesh
- Sikkim
- Mizoram
- Nagaland
Answer: Arunachal Pradesh
Arunachal Pradesh is the least densely populated state in India (17 persons per sq km as per 2011 Census), due to its mountainous terrain and forest cover. It shares borders with China, Myanmar, and Bhutan, making it strategically important.