Which of the following are not the Ramsar sites in India?
1. Harike Lake
2. Pulicat Lake
3. Keoladeo National Park
4. Chilika Lake
5. Nagarjuna Sagar Lake
Select the correct answer code:
1. 1, 2 and 4 only
2. 2 and 5 only
3. 1, 3 and 4 only
4. All of the above are recognised as Ramsar site.