thats why see a lot of parallel action while NDLS arrival and departure..
Some of the famous being ..
BPL Shatabdi and BSB VB
AII Shatabdi and AADR VB ( when it departs 10 mins late sometimes)
SDAH...
more... Raj and BCT Raj ... don't know it is happening now or not ..
and many parallel departures of regional trains with local EMUs...