Below listed are the steps to file Rectification:

• Step 1 – LOGIN to e-Filing application https://incometaxindiaefiling.gov.in/ and GO TO –> E- FILE –> Rectification.
• Step 2 – Select the Assessment Year for which Rectification is to be e-Filed, enter Latest Communication Reference Number (as mentioned in the CPC Order). In case you have received more than 2 orders use the latest order number.
• Step 3 – Click ‘Submit’.
• Step 4 – Select the ‘Rectification Request type’
•        ‘Taxpayer Correcting Data for Tax Credit mismatch only’ − On selecting this option, three check boxes, TCS, TDS, IT, are displayed. You may select the checkbox for which data needs to be corrected. You can add a maximum of 10 entries for each of the selections. No upload of an Income Tax Return (XML) is required.
•        ‘Taxpayer is correcting the Data in Rectification’ − Select the reason for seeking rectification, Schedules being changed, Donation and Capital gain details (if applicable), upload XML and Digital Signature Certificate (DSC), if available and applicable. You can select a maximum of 4 reasons.
•       ‘No further Data Correction required. Reprocess the case’ − On selecting this option, three check-boxes, Tax Credit mismatch, Gender mismatch, Tax/ Interest mismatch are displayed. You may select the check-box for which re-processing is required. No upload of an Income Tax Return is required.
• Step 5 – Click the ‘Submit’ button.
• Step 6 – On successful submission, an Acknowledgment number is generated and sent for processing to CPC, Bangalore.

Post processing, the rectification order under Section 154 will be issued.