Revise GSTR 1

Dear Expert,

Mene February'18 LUT pe Export Kiya without IGST, OR Due to some reason useke Proof Of Export Na aane per mene March Me 18% IGST Bhardiya,

to Mere Questoin He

Mene GSTR-1 or 3B To February-18 ka file kar diya he to ab Jo Bill ke against mene IGST Paid kiya he uska information GST Portal pe kese Dena He..

FEEDING OF WRONG GSTN  VALUE (TRANSACTION VALUE),

CAN WE RACTIFY