You must verify who had the vested interest to forge and fabricate things with false details to form the society and got it registered.
Being a member of the society you may raise concern over the alleged false information and seek for solution to rectify the grave errors immediately through a resolution passed by majority member attending the meeting of the society.
You may bring this errors to the notice of the cooperative registrar where the society is registered and seek his intervention for proper legal action.
Let the body decide further course of action, if no effective action initiated then move on individually.