sir. i had booked 3 tickets from tpj to cbe on 06.12.2015 . but unfortunately i had not travelled the train no. 12083. i had filed tdr at 14.36 hrs on same day. the actual schedule the train was at mv 14.50 hrs and tpj is 16.50 hrs . while tdr filing time the chart was prepared. tdr id no. 100000368217850 pnr no. 4314438259, now my tdr was refused and status as cr repudiate. and reason for tdr failed is invalid tdr timestmap : cnf please clarify why my tds rejected.