Integrated Goods and Service Tax (IGST-2017) and rules framed thereunder had become applicable. It is contended that in the present case the Goods were exported under the payment of IGST. It is contended that at the time of export, the petitioner claimed and availed higher rate of drawback by suffixing A to drawback serial number. It is contended that ICES system sanctioned drawback of Rs. 12,02,230/- in respect of all four Shipping Bills and automatically rejected IGST amount paid by the petitioner in terms of Notification No.131/2016 dated 31 October 2016 (as amended by Notification No.59-2017 dated 26 June 2017 and dated 26 July 2017). It is contended that in respect of Shipping Bills No.8026031 dated 16 July 2017, the ICES system sanctions IGST of Rs.24,739/- out of a total IGST of Rs.3,65,449/-paid by the petitioner. The department has next contended that in respect of some items where the petitioner had either claimed lower rate of drawback by suffixing ‘B’ to drawback serial numbers or the petitioner had not claimed any drawback against the goods. The department contended that now, the petitioner is claiming refund of IGST paid on export of goods in respect of all four Shipping Bills which is violation of condition 11(d) of the Notification No.131/2016. The stand taken by department is that the petitioner claiming refund of IGST paid on export goods in respect of all four Shipping Bills would be in violation of condition 11(d) of Notification No.131/2016 dated 31 October 2016, as it is clearly stated that rates and caps of drawback specified in column (4) and (5) of