I have purchased flat in bank auction(SARFAESI Act) and got sale certificate (registered in Maharashtra) and possession of flat but need help in society share transfer because there is no transferor (seller) so who will signature on many pages of society formality( e.g. form 20(1),FORM NO. 21,Appendix – 13) , bank is not supporting to provide signature and society is asking transferor (seller) for society transfer formality , Please guide me how I can process further.