Indian Stamp Act, 1899
14. Only one instrument to be on same stamp
No second instrument chargeable with duty shall be written upon
a piece of stamped paper upon which an instrument chargeable with duty has
already been written:
PROVIDED that nothing in this section shall prevent any
endorsement which is duly stamped or is not chargeable with duty being made
upon any instrument for the purpose of transferring any right created or
evidenced thereby, or of acknowledging the receipt of any money or goods the
payment or delivery of which is secured thereby.