Why not,if some one earned a million rupees and willing to donate all that why any law would hinder him from doing so.

Seek specific paid advice giving full details of your proposed business by email to a lawyer. I have noticed that you have broken up your questions into 3 or 4 different parts and trying to assess the legality, which conclusion could be totally wrong and defeats your purpose.

Email me at:

helpdesk@lawconcern.com

madraslawyer@yahoo.co.in