Those days are gone when only Shatabdis and Rajdhani had rake capable of running at 120-130+ speed..Now every LHB train is capable of running at the speed of rajdhani or Shatabdi SO now IR should upgrade non rajdhani/Shatabdi routes too to 130 MPS..Some of the suggestions are :-
1)DBRG-GHY
2)GHY-KIR
3)KIR-MGS via pnbe
4)KIR-BBK...
more... via HJp-CPr-GKP
5)LKO-MB-GZB
6)LKO-CNB
7)ET-BSL-NK
8)ET-BZA.
9)ALD-STA-ET
10)HWH-BBS-BZA
11)HWH-BSP-NGP-BSL
12)Delhi-JP
13)PNVL-PUNE