A&B purchase a flat from builder in joint jame. A&B are married couple they have 3 sons.A dies without making will or nomination . as B is co owner of flat and wife of A can society transfer flat in name of B directally.society is demanding succesion certificate from B to transfer the flat without going to procees under bye law no.35 ,is it legal.kindly suggest the chipest way for transfer.Is letter of Administration can help.