Which of the following National Parks/Wildlife Sanctuaries are in Bihar?
1. Valmiki National Park
2. Dudhwa National Park
3. Gajner Wildlife Sanctuary
4. Bhimbandh Wildlife Sanctuary

Select the correct answer using the codes given below.

In the state of Bihar: Valmiki National Park is located in West Champaran district (1), and Bhimbandh Wildlife Sanctuary is located in Munger district (4). Dudhwa National Park is in Uttar Pradesh (2), and Gajner Wildlife Sanctuary is in Rajasthan (3). Therefore, 1 and 4 are in Bihar.