Consultancy Services for preparation of Detailed Project Report (DPR) for Widening of existing road to 4 Lane from km 0.00 (Numaligarh) to km 106.780 (Lahorijan near Assam-Nagaland Border) on NH-129 in the State of Assam. Consultancy Services for preparation of Detailed Project Report (DPR) for Widening of existing road to 4 Lane from km 0.00 (Numaligarh) to km 106.780 (Lahorijan near Assam-Nagaland Border) on NH-129 in the State of Assam.