ER is just wasting the slots & resources of NFR by running the following Non-Standard length trains
Radhikapur Exp(14 coach)
Uttarbanga-Kanchankanya(17)
Padatik(16)
Teesta-Torsa(16)
At...
more... least each can be augmented by 7-8 coaches & thus properly utilize the scarce available resources of NFR