IN F. Y. 2017-18, IN ONE OF DEALER'S CASE, THERE IS HUGE DIFFERENCE IN ITC CLAIMED IN GSTR3B AND ITC SHOWN BY SUPPLIER IN GSTR2A. WHAT ARE THE CONSEQUENSES OF SUCH DIFFERENCE ? WHAT ACTION DEALER HAS TO TAKE NOW IN F.Y.2019-20 AS WINDOW OF F.Y.2017-18 IS AIFEADY CLOSED. PLEASE DO THE NEEDFUL IN MATTER