i know there is Ispaat also bt everyone knows KGP - TATA ac classes never run empty as compared to Agneevina , DD , Shatabdi , Coalfield sometimes. Fr ex i will show you Availability of trains to TATA and DHN via ASN in CC class for next day.
(TATA) (DHN via ASN)
BBN...
more... Jshtbd WL 16 Coalfield Exp AV 63
Legend Ispaat exp WL 22 Black Diamond WL 3
Ranchi INT exp WL 3 Double decker AV 413
Steel Exp Wl 21 Agniveena(ASN) AV 123
Rnc Shatabdi WL 9
Patna Jshtbd(ASN) WL 3
Rnc Int WL 2
So its is clear maybe In DHN via ASn almost 600 seats are available bt to tata 0 seats !!