Gujarat Money-Lenders Act, 2011
No Money-Lender shall accept any promissory note, acknowledgment, bond or other writing from the debtor which does not state the actual amount of the loan, or which states such amount wrongly or which contains erasures or over-writings not duly authenticated by the debtor or accept from the debtor any documents signed by such debtor in which blanks are left, or execute any instrument affecting a debtor in which blanks are left for being filled in after execution.