The Big and Legendary 4 of South, Tip Top Telanagana Express (Previous A.P.Express)/Kushi Boss Kerala Express/Killer of Tracks Karnataka Express/Trim King Tamilnadu Express are Bosses of Tracks previously even in NR at once. (Of course they hold still that Glory). But travel time is increased and stops also increased which is not a good thing. so to solve this problem IR to do
Increase speed with same Halts For same Train.
Decrease Halts and Increase Speed for same Train.
Decrease halts and increase speed for this train by introducing a new train before their departure with current train's travel time.
Current trains are OK. No need to do any thing.
My Choice (Please Mention in Comments.)