Irctc — tdr status showing cr repudiate. kindly help me to get refund

Ticket/journey details
Registration no. [protected] pnr no. [protected]
Journey date 17/12/2018 class sl
Station from vskp station to mas
Train no. 22869 total ticket fare (Rs.) 1070
Passenger details
# name gender age book status current status conc. Code refund claim reason
1 sankar rao n m 34 s5, 62 s5, 62 train running late by more than 3 hours, so passenger not travelled
2 brundha f 24 s5, 64 s5, 64 train running late by more than 3 hours, so passenger not travelled
Tdr details
Tdr date & time 18/12/2018 19:18 hrs.
Case registration details
Case registration date 23/12/2018 case registered at southern railway
Status case repudiated.
Repudiation date 21/01/2019 repudiation reason given to me as train late by more than 3 hrs. But tdr not filed within actual departure of the train (More than one reasons)