Check that your ticket is eligible for TDR filing
Open the IRCTC website or app
Log in to your account
Go to the booked ticket history
Select the ticket for which you want to file TDR
Click on the TDR filing option
Choose the appropriate reason for filing TDR
Enter the required details
Submit the TDR request
Note the reference number after submission
Track the TDR status in your account or through IRCTC updates