Stamp duty is an additional cost paid to get the property transferred, extended, extinguished or recorded in the buyer’s name and it varies from state to state.
Only exception to Stamp Duty is when the property is transferred through “Will” of a deceased person. All other transfer documents like agreement to sell, development agreement, Conveyance Deed, Gift Deed, Mortgage Deed, Exchange Deed, Deed of Partition, Power of Attorneys, lease deeds, etc. have to be properly stamped before registration.