Take help of elders of your family, competent and experienced well wishers, seasoned PIP’s, helpgroups, and find a very able LOCAL counsel of unshakable repute and integrity specializing in concerned field of law e.g; Consumer/Civil matters as in your case, and well versed with LOCAL applicable rules/personal laws, precedence, latest judgments etc …. and worth his/her salt, and your counsel can advise you after examining all docs, evidences on record .. e.g; said agreement on said buy back scheme, loan agreement etc
There are such very able counsels at each location.
Check for such counsels at LOCAL O/o Tehsildar/civil courts,DCDRF, DRT, HC, SC…