Question

names of states which adopted solar energy in all spheres of development and give few examples for it

Answer 1

The states which adopted solar energy in all spheres of development are Punjab and Haryana.
As solar energy is the energy obtained from Sun.So, the examples of it would be solar cooker, solar panels etc.
Hope it helps you :)

Answer 2

The states are Punjab and Haryana.. 
Examples can be solar cookers or solar light..

Hope this helps..!