The 12345 /12346 Saraighat Express is a daily Superfast train which runs between Howrah, Kolkata (West Bengal) and Guwahati (Assam), via New Jalpaiguri Junction in Siliguri, North Bengal. It is one of the premium trains that connects Kolkata to the north east, and is often given highest priority in its route. COACH COMPOSITION: 1 AC First cum AC II tier 1 AC II tier 3 AC III tier 12 Sleeper class 5 General Unreserved 1 Pantry car 1 Luggage cum Guard Van