There is scope to speed up this train between KYQ - NFK. Since it has LHB rakes, Traversing 672 kms in 12 hrs is very easy. New timings must be = KYQ 15.15; NJP 22.40/50; MLDT 02.45/55; NFK 03.30/35; BGP 06.20/40; PNBE 11.10/25; DDU 14.55/15.15; PRYJ 17.45/50; CNB 20.50/55; TDL 00.25/30; ALJN 01.42/44; GZB 03.25[pass]; DLI 04.00|| DLI 23.40; GZB 00.15[pass]; ALJN 01.48/50; TDL 03.00/05; CNB 06.25/30; PRYJ 09.10/15; DDU 11.55/12.15; PNBE 15.40/50; BGP 20.20/40; NFK 23.25/30; MLDT 00.05/15; NJP 04.10/25; KYQ 11.55|| 15657 covering 2036 kms in 36 hrs 45 mins @ 55.4 kph. 15658 covering 2036 kms in 36 hrs 15 mins @ 56.2 kph. Average travel time 36 hrs 30 ins @ 55.8 kph.