Famous Sardar Sarovar Dam is built across which of the following rivers ?
1). Ganga
2). Tapti
3). Krishna
4). Narmada
3. Which of the following sequences of atmospheric layers iscorrect from below
4. Formation of pot holes in river beds is an example of:
5. The Milky way extends through a distance of :
6. Which of the following rivers joins Ganga at Allahabad
7. Which is the world's largest desert