Transitioning From Fossil Fuels to More Sustainable Sources of Energy?

I think over the next decade, next two decades at most, india should be able to transition to a sustainable sources of energy. I would say that more than 50 percent of india's energy needs in the next ten, 20 years, possibly could be met by sustainable Sources of Energy. The easiest way is solar energy. Then you also have win energy, hydrot or hydro thermal energy, hydro power, and waves and piso electric,. All kinds of exotic technologies as well. But one should keep things simple, focus on two or three things at most, and do that. So i think solar is a great bet for that, and also nuclear. so i think that should be