Correct Answer - Option 1 : Bhagalpur
The correct answer is Bhagalpur.
- The Vikramshila Gangetic Dolphin Sanctuary is a home for endangered Gangetic dolphin in Asia.
- The sanctuary is a 60 km stretch of Ganges river from Munger to Kahalgaon in Bhagalpur district of Bihar.
- The National Ganga River Basin Authority declared Gangetic dolphins as the national aquatic animal of India.
- Nagi Dam Bird sanctuary is located in the Jamui district of Bihar near the Jharkhand border.