DGGI had arrested three industry executives for allegedly running a racket of issuing bogus invoiceswithout actual supply of goods. Two of them were directors of the companies that issued invoices while the third one was an export company. According to the one of the official, the exporter claimed refund basis fake invoices.
https://www.livemint.com/news/india/gst-sleuths-arrest-three-for-fraud-11595871212556.html