1) What are the immediate options available to restrict / stop illegalities and manipulation in redevelopment process before it is too late?
If you are a member of this society, you may gather like minded embers to agitate this program which is not with the consent of all the members and also it is not within the legal framework.
You may protest and object to the proposal of the society to proceed with the redevelopment program and record the same in writing.
After this you can initiate legal process by filing an injunction suit agaisnt the society and the builder restraining them from proceeding with the redevelopment of the house properties.
In case the society give Power of attorney to the developer and the society and the developer entered in to development agreement and if we do not know in which sub registrar office these documents are registered how or from where can we obtain a certified copy of these documents under RTI?
You have to make a search in the registrar office which is within the territorial jurisdiction of the society. No application under RTI act will be entertained by private parties.
3) Shall I wait to initiate legal proceedings till society and the developer sign the development agreement?
Yes that will be right time to initiate legal process for obtaining stay against their intended redevelopment
4) In case I file Civil / Criminal law suit against managing committee and the developer what shall I pray?
You can contact a local advocate who will be able to guide you properly about what to do and not.
5) Can we use General Body Meeting’s minutes as evidence in court of law?
Yes, this also can be an evidence.