Stamp duty rates have been revised w.e.f April 2012 as under:-

For residential as well as commercial units the stamp duty payable is applicable @ 5% of market value of such unit or consideration paid under the agreement, whichever is higher.

The market value of the Unit is determined on the basis of stamp duty ready recknor issued by government every year on January 1st. Further registration fees is payable @ 1% of market value/consideration (whichever is higher) and is capped upto Rs. 30,000/-.