1) on death of person whose name was in property card application should have been made for mutation of property in name of legal heirs . copy of death certificate should have been enclosed .
2) municipal corporation does not change name on basis of mere letter .
3) file an RTI application with BMC to find on what basis name has been changed in the assessment record .
4) also in RTI application also seek documents relied upon by person for change of name in record .
5)BMC will not transfer unless Death Certificate of the Assessee.is enclosed
6) further Affidavit made by all the legal heirs of the deceased assessee stating thatthey are the only legal heirs and they have no objection for transferring thesaid property in the name of transferee
7) if the purchaser claims to have purchased the property then he would need Copy of Registered Conveyance or assignment or any other documentshowing the devolution of title from the present assessee to transferee.