Are you planning to file TDR; here's how you can do it at IRCTC website
TDR refers to the Ticket Deposit Receipt. It is useful in the circumstances where despite having a booked ticket, the person doesn’t undertake a journey and wants to apply for the refund. For this purpose, one can visit IRCTC, the e-ticketing website of Indian Railways, to avail the facility to file the TDR online. After filing the TDR, the refund process then takes at least 60 days.
To file TDR for train tickets through IRCTC, one simply needs to follow following easy steps.Image source: PTI