what is the necessary document required for purchasing or sell residential property?

Agreement of Sale: Finalise an apartment purchase, pay an advance and sign an Agreement of Sale, which is to be registered under registration act of 1908.

Deed of Declaration: At some point, while construction is in progress and before a final deed of apartment is executed and registered; the builder/promoter is to register a document known as Deed of Declaration under registration act 1908.

Deed of Apartment: Conveyance of the apartment is done by executing a Deed of Apartment

Inform the competent authority: To finish the formation of the association, true copies of the Deed of Declaration, by-laws and Deeds of Apartment have to be filed in the office of the competent authority – identified by the act as the registrar of cooperative societies.

Declaration under Form B: A declaration by the owner(s) of each apartment under Form B is also to be executed and submitted to the competent authority