Name correction in flat INDEX 2 and registration

Dear sir, I purchased flat in Pune, Maharashtra in Aug 2007. I've changed my last name from INGLE to DESHMUKH 3 yrs after flat registration. I want to reflect these changes in my property documents as well. I've maharashtra govt. gazette for name change and also changed my PAN card. Please advise process to make changes in property documents. Thanks in advance. Anant