Which of the following is/are located within the Nilgiri Biosphere reserve?
1. Mudumalai Wildlife Sanctuary
2. Kalakkad Mundanthurai Tiger Reserve
3. Bandipur National Park
4. Mukurthi National Park and Silent Valley
Select the correct answer using the code given below:
1
1, 2 and 3 only
2
1 and 3 only
3
1, 3 and 4 only
4
1, 2, 3 and 4