After the death of owner of a property his heirs, such as wife, children i.e. male and female, married or unmarried may, as per respective personal law, get the Patta/Khata transferred on production of death certificate of the owner with details of property held by him to the following officers.
If property is an agricultural land – Mandal Revenue Officer ( under Andhra Pradesh and Telangana Land Revenue Act); if property is house or vacant land in a city/village other than agricultural land -- Offices of Corporation, Municipality, Panchayat or City survey if such office exists.
1. You should approach your Tahasildar/ Mumnicipality/corporation office(as per your area) and apply for transfer(mutation), by this you can transfer the property in the your and your mother's name.
2. If you have any other siblings, you also have to obtain an NOC from them that they have no objection in transferring the property in your and your mother's name..
3. The documents needed to change the title in both of your name , are the death certificate of your father, and grand father, your ration card, The WILL by the grand father and papers pertaining the property , along with NOC if you have any siblings. if you inquire in the tahasildar office , they will tell you the required documents and the procedure.
4. A nominal fee has to be paid while applying for mutation (transfer) of khata/ patta