Mismatch in 26AS

Worth adding two practical points to the AIS-feedback route already suggested:

PAN misuse angle - if you genuinely have no connection to that company, this could be simple clerical error on the deductor's side (transposed PAN digit while filing TDS return), or it could be someone else's PAN entered incorrectly and yours picked up by mistake. Either way, it's worth checking whether that "employer" exists and has other filings against your PAN in TRACES (Form 26AS traces the deductor's TAN) - if there's a pattern beyond this one entry, that's a PAN-misuse/identity issue worth a formal grievance, not just a correction request.

Timeline matters - a deductor can only file a correction/revised TDS return for a limited period after the original due date (broadly within a few years, but it tightens over time), so if this FY 2021-22 entry has been sitting uncorrected, don't wait indefinitely on the employer to act voluntarily. Raise the AIS feedback denying the entry immediately (this is what actually protects you at assessment, regardless of whether the deductor ever corrects their return), and follow up with a grievance on the e-Filing portal if the deductor is unresponsive after a reasonable follow-up window.

Also keep a copy of the AIS feedback submission and any correspondence with the "employer" - if this does turn into a scrutiny question later, having that trail documented from day one saves a lot of back-and-forth.