Solar energy has become hugely popular as an option for environmentally conscious individuals, and it has grown in popularity over the years in India and the wider developing world as well. ERC has a lot of valuable information on solar energy, which can serve you very well. It has articles on how to choose solar panels for your home, as well as which solar panels are the best in the market at this time in terms of value and performance. It also has information on how to install solar panels, so that you can be completely self-sufficient and achieve total autonomy in your efforts to make the transition.
If you are still deciding what to buy, start with the solar product guides. If you want setup help or planning advice, read the solar resources hub. If you are already comparing costs, jump to the solar price pages.