The 7/12 document is an extract from the Land Register of any district in Maharashtra, which gives complete information about a particular piece of land. It contains important details such as the survey number, area, date from which the current owner's name was registered etc. Link for online 7/12
Property tax is a levy issued by a government on a person’s real or personal property. The property is assessed to give it a value, and then that value is taxed. The amount of tax owed is determined by multiplying the fair market value of the property by the current tax rate. Link to pay Nmc Tax online.
A property valuation is an inspection carried out to help determine the current market value of a property. Link
In real estate business and law, a title search or property title search is the process of retrieving documents evidencing events in the history of a piece of real property, to determine relevant interests in and regulations concerning that property. Link