Check Form 26AS on the income tax e-filing portal
Check the Annual Information Statement (AIS) on the income tax e-filing portal
Check the Tax Credit Statement in your Form 16 or Form 16A
Verify TDS details in your salary slip, if provided
Compare TDS deducted with the amount deposited by the deductor
Use your PAN to match TDS entries in the portal
Check bank statements for TDS-related credits or deductions
Contact the deductor for TDS challan details
Verify TDS through the TRACES portal if applicable