Ready reckoner rates of mumbai for the year 2001

You can contact a document writer or an advocate dealing with real estate disputes to know about the details of the stamp duty payable etc. 

I want the rate of the property during that year I.e 2001., as it is not available with me.Therefore asked.

You may perhaps not be able to get the prevailing rate of the year 2001 at this situation.

However you can contact any deed writer who may be having some copies of the documents registered at that period by which you may come to know about it.

Otherwise you can approach the concerned sub registrar's office and obtain the details even if you are required to give an applicaiton for this purpose, you may submit one

You may approach the concerned authority (Department of Registration & Stamps, Government of Maharashtra) under the provisions of the Right to Information Act.

It is also seen that specific information could be accessed from the Department's website https://igrmaharashtra.gov.in/Home/ease_of_doing_business. You may try.