21.
The Sundarbans Plains lies in which part of West Bengal?

22.
The Singalila range is located along the border of

23.
The river that runs in Northern mountains of West Bengal making deep gorges in Singalila range is

24.
The regions of West Bengal are

25.
The Rahr plain lies in the East of ............... plateau fringe.

26.
The only state that has a sea front and extends to the Himalayas is

27.
The North flowing rivers of West Bengal are

28.
The major portion of Western plateau of West Bengal lies in the district of

29.
The highest point in West Bengal is

30.
The Duar region in West Bengal is actually which of the following?