"667000.0" . "'''6'''" . . . "Calcutta-Mumbai National Highway" . . . "National Highway 53" . . "South" . "national highway-6" . "NH 6" . . . . "NH 66" . "6" . . . . . "NH 6" . . "6" . . . "National Highway 6 (India)" . "national highway 6" . "NH" . . . "NH6" . . "North" . "national highway number 6" . "National Highway 6 (India)" . "National Highway-6" . . "National Highway 6" . "National Highway No. 6" . "NH-6" . .