Quite a long train!
Yeah KIR possess great curves while entering from both the directions, (dont know about JBN-KIR)..
Also the BOE curve is massive..
Also,
SGUT-NJP,
AGT-KYQ...
more... ( around Saraighat bridge)
AZA-KYQ ( Deeporbeel)
I love these curves in NFR :)