Authority Engineering Consultancy for NH-31 Operation & Maintenance - Chhapra to Hajipur Section

The National Highways Authority of India (NHAI), a Public Sector Undertaking, is inviting sealed bids for Consultancy Services to act as the Authority Engineer during the operation and maintenance period of the Chhapra - Hajipur Section of NH-31 (Old NH-19), spanning from Km. 143.200 to Km. 209.940, a total length of 66.74 km, within the State of Bihar. This open tender, with Tender Reference Number NIT No- 341/RO-PATNA/NHAI/2026-27, requires a tender fee of ₹5,000, payable to NHAI, RO - Patna. Bidders are to submit their proposals in two covers: Cover 1 for Tender Document Fee, Pre-Qualification, and Technical Documents, and Cover 2 for the Financial Proposal. The tender documents will be available for download from 02-Sep-2026 at 12:05 PM until 14-Oct-2026 at 12:00 PM. Bid submissions are open from 02-Sep-2026 at 12:10 PM and will close on 14-Oct-2026 at 12:00 PM. The bid opening will take place on 15-Oct-2026 at 12:30 PM at the Regional Office of NHAI in Patna. The period of work is estimated at 1825 days, with a bid validity of 120 days. For further details and submission requirements, please refer to the NIT Document (Tendernotice_1.pdf) and the comprehensive tender documents available for download.