3hr idling at Platform is not good for a long journey train.
Seeing your return train , seems like feasible but it will surely downgrade the maintenance of this brilliant and shortest train connectivity between Hyderabad and Chennai.
Your extension is good but i dont see any need for this kind of extension. Gulbarga have far better and quicker options for Chennai as compared to this circular journey.
I...
more... won't be giving any flag. Thanks.