In such cases wherever the amount is being repatriated in subsequent tranches, for every subsequent tranche Form DRR shall be filed within 30 days from the date of remittance as a subsequent Form DRR to the Form DRR as filed at the time of issue of DRs as follows:
Step 1: Using the left navigation button, select File Return and then Single Master Form.
Step 2: Select return type as Form DRR. If the reference number of the earlier filed
Form DRR is known, enter the same in the field Return Reference Number and click on search return. Or else, enter the from date and search return. Select the initial filed Form DRR and open the same upon clicking on the reference number.
Step 3: At the top right, select the button "ADD subsequent return". Enter the amount repatriated in the current tranche in INR and no other field needs to be entered. The values in Total amount repatriated in India and the amount kept abroad are updated accordingly. Check the details under the tab "Tranche details".
Step 4. Check the declaration and attach the Foreign Invert Remittance Certificate (FIRC) for the amount repatriated in the "Other attachments" and click on "Submit" button at top right.
Source: https://firms.rbi.org.in/