Pahle to... Rajdhani me shuru hoga. 20-22 Wap7 HS se kaam chal jayga.
Normal WAP 7 Is also capable of 160 kmph. Even WDP4 is 180 capable.
IR me tracks ki kami h.... Trains /Loco are already capable.
LHB AC 160 Permissible.
TEJAS...
more... 200.
VB 160-180.
ONLY tracks, fences required.