i think there should be triweekly train from Haldia to Udhampur, having stoppage at Panskura, HWH, ASN, DHN, MGS, ALD, CNB, AGC, MTJ, NZM, NDLS, PNP, UMB, LDH, JUC, CHKB, JAT.
this way there will connectivity between all haldia and national capital and also get connectivity between oil refinery at Mathura and panipat