Consultancy Services as Authority’s Engineer for Supervision of: i) Widening/Improvement to 4 (Four) Lane with Paved Shoulder from km 626+030 (Nalani hulla Gaon) to km 650+450 (Chotahapjan) on existing Tinsukia -Makum Bypass of NH-15 (Old NH 37) and Improvement of existing NH-315 (Old NH-38) from Km 0+000 (Chotahapjan) to Km 16+900 (Bogapani section) (2-Lane +PS) in the State of Assam on EPC mode. (Package-3) ii) Strengthening/Improvement to 2-Lane Lane with Paved Shoulder from km 16+900 (Bogapani) to km 27+150 (Golai Goan) on existing Dibrugarh to Ledo section with proposed Digboi Bypass (Gre