Kishanganj Bypass West Bengal: Consultancy for 4-Lane Greenfield DPR Preparation

The National Highways Authority of India (NHAI), through its Regional Office Kolkata, is pleased to invite bids for Consultancy Services for the preparation of a Detailed Project Report (DPR) for a 4-lane Greenfield Kishanganj Bypass, spanning approximately 25 km in the State of West Bengal. This open tender process, with Tender Reference Number 14/2026-27/Kishanganj Bypass/DPR and Tender ID 2026_NHAI_289255_1, is structured with two covers: Cover 1 for Fee/PreQual/Technical documents and Cover 2 for Finance. The tender fee is ₹5,000, payable to NHAI in Kolkata. All bids must be submitted offline, and the bid submission period commences on 28-Aug-2026 at 05:55 PM and concludes on 12-Oct-2026 at 11:00 AM. Document downloads are available from 28-Aug-2026 at 05:50 PM until 12-Oct-2026 at 11:00 AM. The bid opening is scheduled for 13-Oct-2026 at 11:00 AM at the NHAI Regional Office Kolkata, located at Synthesis Business Park, 8th Floor, Wing-C, Newtown, Action Area-II, Kolkata 700156. The expected period of work for this consultancy is 150 days, with a bid validity of 120 days.