North India or North Bengal train can ply from Shalimar via Bhattanagar, Dankuni Route. It is shortest route than Kharagpur-Adra. Stoppage at Dankuni would solve of passengers who like to board at Howrah because Dankuni is 15 km from Howrah. Even Kolkata passenger can avail easily via Sealdah - Dankuni section. IR should think this substitute link so that Howrah stn can get relief from traffic