Yes sir its just taunt by some ppl that SK uses other zones loco .bt they dont aware of fact that allotment of loco is done by RB for fixed link ...
..
They are unaware that MGS wap 4 are too 140 mps ..
They forgot that Patna Rajdhani had link as MGS wap 4 .. before wap 7 :-D
With...
more... full weighted 22 coach AC which are more heavy than normal sl .