In accordance with the Indian Stamp Act of 1899, stamp duty must be paid as a measure of registration and tracking of all transactions. Therefore, stamp duty functions almost as proof of the conclusion of the transaction and the fact that it took place. It is a legal person that is valid in court as evidence in the event of a dispute. The last change for the Indian Stamp Act came in 2016 in the form of the recovery of the Debt Laws Bill 2016. If you are buying new real estate or selling an asset, stamp duty is definitely something to know. If you don`t know all the laws related to stamp duty and its application, don`t worry, because we`ve got you covered. Here`s an overview of everything you need to know about stamp duty and where to pay it. 2.