Student — What is the reason of irctc TDR repudiate for below transaction?

Address:

Haridwar, Uttarakhand

What is the reason of TDR repudiate for below transaction? I am unable to understand. I did not travel. I have proof also that I missed this train because the train that was supposed to connect me to this train got late. Transaction ID: [protected] Train No./ Name: 12017/DEHRADUN SHTBDI PNR Number: [protected] Date of Journey: 27-Oct-2014 Date Of Boarding: 27-Oct-2014 Date of Booking: 28-Aug-2014 From: NEW DELHI (NDLS) To: ROORKEE (RK) Boarding At: NEW DELHI (NDLS) Resv Upto: ROORKEE (RK) Quota: GENERAL (GN) Class: CHAIR CAR (CC) Ticket Amount: 540.0 Ticket Type: E-Ticket Passengers Details Name Age Gender Status Coach ID Berth No/ WL No NITESH AHIR 28 Male CNF C4 39 TDR Details Reason For TDR: Passenger Not Travelled. TDR Filing Date: 29-Oct-2014 10:05:36 HRS TDR Status: CR Repudiate Cancellation ID: [protected] TDR Zone: NORTHERN RAILWAY (NR) Reason for TDR Registration Failed: Invalid TDR Timestmap : CNF