The Negotiable Instruments Act, 1881
§4 — “Promissory note”
A “Promissory note” is an instrument in writing (not being a bank-note or a currency-note) containing an unconditional undertaking, signed by the maker, to pay a certain sum of money only to, or to the order of, a certain person, or to the bearer of the instrument. Illustrations A Signs instruments in the following terms: ) “I promise to pay B or order Rs. 500.” “I acknowledge myself to be indebted to B in Rs. 1,000, to be paid on demand, for value received.” “Mr. B, U Rs. 1,000.” “I promise to Pay B Rs. 500 and all other sums which shall be due to him.” “I promise to Pay B Rs. 500, first deducting thereout any money which he may owe me.” “I promise to Pay B Rs. 500 seven days after my marriage with C.” “I, promise to Pay B Rs. 500 on D's death, provided D leaves me enough to pay that sum.” “India”