1) you have to make application for mutation of property in your name and that of your brother
Before the local authorities
2) enclose your grandfather , grand mother death certificate , will and probate granted by court
3)Indemnity bond on stamp paper of requisite value wherein executant indemnifies the municipal corporation in the event of a dispute arising from the mutation made upon his application is sought. A rough site plan showing the different portions of the building, with details of those occupying these portions, may also need to be furnished.
4) Affidavit on stamp paper of requisite value attested my a Notary
5) Receipt of up-to-date property tax payment
6)A proclamation is issued inviting objections to the proposed mutation and specifying the date, not less than 15 days from the date of the proclamation, up to which any objection to the mutation will be entertained. The Patwari submits his report in the prescribed format. In case no objections against the proposed mutation are received, it is sanctioned.
7) it may take around 6 months for mutation of property in your name and that of your brother