Delhi is utilizing its stations quite well
It has five terminals
1) NDLS
2) DEE
3) ANVT
4)...
more... NZM
5) DLI
Even ANDI can be counted as terminal as one biweekly train starts from here
Authorities are trying to remove congestion reduce travel time by using Ring railway and bypass lines
For Example
1) CDG-BDTS SF Express avoids major terminals and stops at DEC only in Delhi area. It reduces travel time as entering terminals would result in platform unavailability etc.
2) Similarly JAT-DURG SF Express avoids major terminals and stops at DSJ only in Delhi
3) the to be introduced JAT INDB Express will also follow same path thru DSJ
Other big cities should also follow this trend