Ot is needed becoz ..whats the use of. Stoppage of 31 mins at mgs ..
If u will make sk depart after rajdhani ..
It will have a very high avrg or equal to rajdhani ..which we dont want ..
As slight delay will make sk out of path and will be treated as normal then and all other trains will get priority over...
more... it ..
For ncr ..its important fro ecr to give train rite to it ..