ZERO DUTY IMPORT LICENCE FOR RAW MATERIALS UNDER ADVANCE AUTHORISATION SCHEME. ZERO DUTY EPCG AUTHORISATION, MEIS, DFIA EXPORT HOUSE STATUS ,. EXPORT OBLIGATION DOCUMENTATION FOR ADVANCE AUTHORISATION ,EPCG , SEIS, IE CODE , DRAW BACK RATE FIXATION. BUYING AND SELLING OF DUTY CREDITS MEIS, SEIS.