Consultancy services for Authority’s Engineer for Supervision of: (i) 4-Laning of NH-37 from Nagaon By-pass to Teliagaon (km 278.600 to km 288.600) in the state of Assam under SARDP-NE Phase-A on EPC mode, (ii) 4-Laning of NH-37 from Teliagaon to Rangagara (km 288.600 to km 297.000) in the state of Assam under SARDP-NE Phase-A on EPC mode, (iii) 4-Laning from Rangagara to Kaliabhor Tiniali from km 297.00 to km 315.315 of NH-37 on EPC basis, (iv) 4-Laning from Kaliabor Tinali to Dolabari section from Km 0.0 to Km 17.3 of NH 37-A including construction of new Brahmaputra bridge, (v) 4-Lane highw