Due to technical glitches on GST portal, taxpayers and advisors are upset. It was stated by the GST network that from September, the capacity to file returns online will increase from 1.5 lakh taxpayers to 3 lakh taxpayers. But even today the portal runs on its old capacity. The last date for submitting GSTR-3B is 22 October. The last date for annual return, composition dealers, quarterly GSTR-1 is 31stOctober, 2020.