The biggest organisation is You. Yourself.
There is no such organisati1on in the country which does R&D on renewables. Internship is thus ruled out.
Government offices which claim so, can not be any more than packets of red tapism. The essence of any R&D is Sacrifice. Can you expect such a virtue from any government office? Can you expect a government official to renounce materialism from his life style? Will he like to undergo the struggles like you have been seeing?
Just speak to any head of various such institutions with offers like, “Sir, I want to buy any commercially viable technical know-how which you have R&Ded so far. I will set up an industry based on it and pay you the due royalty. I will even employ any of your researcher. Any of your retired or senior people are also welcome in my advisory board."
9 out of 10 such Directors will cut a sorry figure.
Please don't spend any time, money or your energy in search of anything like this. Instead, spend those resources on your own thing.
If you demo your renewable thing, you have done your job. Nobody is asking your certificate. The thing must work, be commercially viable. That thing is your certificate, your identity. That's all.
If that happens, tables are turned. All those government offices will start following you. You will command respect in industry. You get what you have been wanting. Such is the feature of the nature of renewable energy activity. You don't need to show any paper or paperwork. Only action. Results only matter.
How will that happen? Its a different story. You need counselling, to assess your stengths, weaknesses, tastes, etc.
Your idea, your thoughts, your initiatives will be indeed be considered as the seeds. You get your credit.
Do it yourself. Never rely on any institution.
