"Tulbul" project is on which river?

The Study of Lakes is called- 

Where is Saddle Peak in Andaman and Nicobar Island situated-

West Bengal makes borders with how many countries-

In which month does the earth's peak state occur?

Andaman and Nicobar Islands are separated by which of the following-

Which is the most active volcano in the world?

Which of the following is/are not an artificial lake?

1- Govind Sagar

2- Chilka lake

3- Naini lake

4- Bhimtal lake