The abundance of which type of mangrove tree has lent its name to the saltwater swamp which forms in the lower part of the Ganges delta
Which of these national parks has the world's largest population of the Indian one horned Rhino ?
Which of the following makes us know the exact age of a tree ?
Where is the eastern Naval Command Headquarters ?
The parliament of Great Britain is housed in which of these buildings?
Who of the following scientists is named after ISRO in sriharikota ?