Urgent Please

Dear All

we have short received Vat refund of f.y. 08-09  from sales tax office. our refund was 84252.00 but we received 81141. its short of Rs.3111.00

How to adjust of remaining Vat refund shall we carry forward it to next f.y. or it can be write off. if it can be write off what will be the accounting entry to write of remaining vat refund amount.