Independent Engineer Consultancy for Bihar's Khagaria-Purnea 4-Lane Highway Upgradation

The National Highways Authority of India (NHAI) has issued an Open Tender (Reference No: BRDIV-22011/3/2026-Bihar Division/E-304722) inviting Consultancy Services for the crucial role of Independent Engineer. This tender seeks expertise for the Widening and Upgradation of the existing highway from Khagaria Design Ch.270.000 to Purnea Ch.413.529 section of NH31-NH231, transforming it into a 4-lane highway with paved shoulders under the National Highway Operations (NHO) on a Build-Operate-Transfer (BOT) Toll basis in the State of Bihar. This marks the second call for this significant project, with an estimated work period of 1620 days. Prospective bidders must remit a non-refundable Tender Fee of ₹5,000 and an Earnest Money Deposit (EMD) of ₹1,000,000, both payable to NHAI at New Delhi. The tender was e-published on 30-Jun-2026 at 12:15 PM, with document download and bid submission commencing from 01-Jul-2026, 09:30 AM. The final deadline for both document download and bid submission is 14-Aug-2026, 11:00 AM, and bids will be opened on 17-Aug-2026 at 11:30 AM at NHAI HQ. Bidders are required to follow a two-cover submission system, and bids will remain valid for 120 days. Interested firms are strongly encouraged to review the comprehensive tender documents for detailed requirements and application procedures.