revenue stamp on receipt voucher

Not true:

Stamp Duty on receipt is Re. 1 for receipt above Rs. 5,000. Receipt includes any note, memorandum or writing [whether signed by any person or not] (a) where any money, or any bill of exchange or promissory note is acknowledged to have been received or (b) where any other movable property is acknowledged to have been received in satisfaction of a debt or (c) whereby any debt or demand is acknowledged to have been satisfied or discharged or (d) which signifies or indicates any such acknowledgment [section 2(23) of Indian Stamp Act].