why sir??
present drnt's rake remains idle from sunday to tuesday...
for third run, it can depart on Sundays and will reach back SC on tuesdays, again it can depat on tuesday with regilar TT as of now....
i.e. SC dept: Su,Tu,F LTT arrival: M,W,Sa
LTT...
more... dept: M,W,Sa , SC arrival: Tu, Th, Su