Following are the different types of corrections you can make in filed TDS Return: 

  • C1 - Changes/ Correction to Payer/ Deductor details such as name, address

  • C2 - Changes/ Correction to challan details such as challan serial no., BSR code, challan amount

  • C3 - Update/delete/add payee/deductee details

  • C4 - Add/delete salary detail records

  • C5 - Update the PAN of the payee/deductee in deductee/salary detail records

  • C9 - Add a new challan and underlying deductees

You will require to file a revise TDS Return to make the above changes.