Which State in India is called the ‘Land of Five Rivers’?

First solar powered Airport in India?

The old alluvial soil of the Ganga plain is called-

In which state is the highest waterfall 'Jog' of India located?

Who first used the word sial for the topmost layer of the earth?

The highest altitude (4411 meters above sea level) is of: 

In which state is the Maikal range situated?

_____ is known as India's Spice Garden.