This is a 3300 kilometers corridor via NH 27 (Porbandar–Rajkot-Samakhiali–Radhanpur–Kota–Jhansi–Kanpur-Lucknow–Ayodhya-Muzaffarpur–Darbhanga-Supaul-Purnia–Kishanganj-Galgalia–Bijni–Guwahati–Nagaon–Dabaka–Silchar).