GST mop-up will touch Rs 1 trillion a month in FY19, says Hasmukh Adhia Refunds have improved substantially now, 90 per cent of claims have already been approved or rejected As GST rollout is to complete a year in a few days, finance secretary Hasmukh Adhia tells Dilasha Seth and Indivjal Dhasmana that the system has perfectly stabilised now. Adhia, who played a critical role, in the roll-out says bringing petroleum under GST is no solution to their high prices. Edited excerpts: After the GSTN portal crashed in initial months and then at a time of original date of e-way bill, has the GST system stabilised now? I may beg to differ. There was no crash of the portal, there were minor glitches initially in certain applications. Those were set corrected very soon. Of course, the system has perfectly stabilised now. Both the Centre and states collected less than the target in the first eight months of GST roll out in 2017-18. Do you think the target will be met in the current f