Section 12(4)(b) in The Karnataka Pawnbrokers Act, 1961
(b)If on such demand it appears that the sale of the pledge has resulted in a surplus but that within twelve months before or after such sale, the sale of another pledge or pledges of the same person has resulted in a deficit, the pawnbroker may set off the deficit against the surplus and shall be liable to pay only the balance, if any, after such set off.