CUSTOM DUTY DEMAND ON IMPORT

WHEN THE BILL OF ENTRY IS PASSED AND PAYMENT OF DUTY IS MADE AND GOODS RELEASED AFTER DEBITING THE RELEVENT IMPORT LICENCES(DEPB/DEFI/FOCUS). LATER THE CUSTOMS CAN DEMAND CUSTOM DUTY ON GROUNDS IMP.LICENCES WERE FAKE?. IT MEANS WHEN BE WAS PROCESSED AND VERIFIED, APPRAISED AT DIFFERENT STAGES, RECORDED UNDER EDI ALL DEBIT/CREDIT ENTRIES, TILL FINAL DISCHARGE/GATEPASS WAS ISSUED, NOW HOW THE IMPORTER CAN BE ACCUSED OF USING FAKE LIC. CUSTOMS,S PLEA - SOMEONE STOLEN OFFICERS'S PASSWORD & CHANGED LIC VALUES. PLS INF SOLUTION TO PROCEED... IS CUSTOMS OFFICER/CHA INVOLVED,IMPORTER PAID LIC PRMUM