Development, Maintenance, Management and Operation of Greenfield High-Speed Corridor from Mawlyngkhung (near Shillong) in Meghalaya to Panchgram (near Silchar) in Assam by 4-Laning with Paved Shoulders on Hybrid Annuity Basis. (Package-3: From Km 78+600 to Km 133+320, Design Length – 54.720 Km).