The O/o Authority under whose jurisdiction property falls has a set procedure for such matters: ‘Intestate Succession’. Usuallly duly signed requisite docs e.g; forms with signature of all legal heirs, legal heir certificate, death certificate, ID proofs/photo of all, etc etc……………is required.
Therafter obtain copy of updated mutation records.
Each legal heir attains rights equal to that of owner for his/her share.
The buyer can be given copy of mutation records.