Which range acts as a water divide between Yamuna and Son?

Vansadhara Water Disputes Tribunal was set up in 2010 to resolve the water dispute between which of the following States?

The Narmada Valley lies between which of the following mountain ranges?

Amid the distributaries of which river is situated Divi Island ?

Which river is known for the famous "Sangam" at Allahabad, where it meets the Yamuna?

Which river has its source in Tibet and enters India through Arunachal Pradesh?