<h1>E-filing portal glitches disrupt tax filers before September 15 deadline; authority refuses extension, offers troubleshooting and support</h1> Taxpayers reported login, payment and AIS download glitches on the e-filing portal as the September 15 deadline for individual, HUF and non-audit ITRs approached. The tax authority denied any extension, stated the portal was functioning, advised browser troubleshooting, and invited affected users to report PAN, mobile and IP details for assistance. It reiterated AIS/TIS availability. Over 6 crore returns were filed by September 13. The deadline had earlier been extended from July 31 to September 15 to accommodate structural revisions to ITR forms and related backend utilities.