Section 51 of The Kerala Stamp Act, 1959 (No.17 of 1959) View Chapter 5

Allowance for spoiled or misused stamps how to be made:

In any case in which allowance is made for spoiled or misused stamps, the Collector may give in lieu thereof

(a) other stamp of the same description and value; or

(b) if required and he thinks fit, stamps of any other description to the same amount in value; or.

(c) at this description, the same value in money deducting six paise for each rupees or fraction of a rupee.