Cabinet clears ₹3,936 crore Khagaria-Purnea four-lane highway in Bihar
Synopsis
Bihar's eastern infrastructure spine just got a ₹3,936 crore upgrade. The Modi cabinet's nod to four-lane the 143.5-km Khagaria-Purnea stretch — with a Greenfield Purnea bypass and links to five Gati Shakti nodes — could cut travel time to two hours and reshape freight flow ahead of the state's electoral cycle.
Key Takeaways
CCEA , chaired by PM Modi , approved the Khagaria-Purnea four-laning on 3 June at ₹3,936.05 crore .
The 143.529-km stretch on NH-31 and NH-231 will be built on BOT (Toll) mode.
Includes a 6.729-km Greenfield bypass around Purnea city.
Will link five PM Gati Shakti economic nodes and 11 logistics nodes across eastern Bihar.
Expected to generate 32.59 lakh person-days of direct and 40.55 lakh person-days of indirect employment.
Travel time on the corridor is projected to drop to nearly two hours .
The Cabinet Committee on Economic Affairs (CCEA), chaired by Prime Minister Narendra Modi, on 3 June approved the upgradation of the Khagaria-Purnea section of NH-31 and NH-231 in Bihar to a four-lane highway at a capital cost of ₹3,936.05 crore. The 143.529-km stretch will be developed under the Build-Operate-Transfer (BOT) toll mode, with a dedicated bypass around Purnea city to ease congestion.
Key project details
The corridor will pass through Khagaria, Bhagalpur, Katihar and Purnia districts, addressing what the government described as major geometric deficiencies, sharp curves and congestion in built-up stretches. A 6.729-km Greenfield bypass around Purnea city will be built as part of the package to smoothen traffic flow.
What the government said
“The Cabinet Committee on Economic Affairs, chaired by the Prime Minister Narendra Modi, today has approved upgradation of the Khagaria-Purnea Section of NH-31 and NH-231 to the 4-Lane Standard (143.529 kms) in Bihar on BOT (Toll) Mode at a cost of Rs 3936.05 crore,” the official announcement stated. Officials added that the upgraded corridor is expected to bring travel time on the route down to nearly two hours, while improving road safety, fuel efficiency and vehicle operating costs.
Connectivity and logistics impact
The project forms part of the broader Patna-Purnea route and is being positioned as a multi-modal connector. According to the government, it will link five PM Gati Shakti economic nodes — one textile cluster, two mega food parks and two fishing seafood parks — along with 11 logistics nodes including four major railway stations, one airport, four national highways and two state highways.
The upgraded stretch will tie into NH-27, NH-13, NH-131A and NH-231, along with state highways SH-95 and SH-77, connecting key urban centres in eastern Bihar and the airport at Purnea.
Jobs and economic spin-offs
The Centre estimated that construction and allied activity will generate 32.59 lakh person-days of direct employment and 40.55 lakh person-days of indirect employment. The corridor's completion is expected to ease freight and passenger movement across eastern Bihar — a region long flagged for infrastructure gaps despite being a critical node between Patna and the Northeast.
What's next
With CCEA approval in place, the focus shifts to bid-out under the BOT (Toll) model, land acquisition timelines and execution on the Purnea bypass. The project's pace will be closely watched ahead of Bihar's electoral cycle.
Point of View
With a Purnea bypass and Gati Shakti tie-ins, is the right shape of intervention. The harder question is execution: BOT (Toll) projects in Bihar have historically struggled with land acquisition and traffic-revenue assumptions. The two-hour travel claim hinges on bidders actually showing up at the financial bid stage — and on the state machinery clearing right-of-way without the delays that dogged earlier NH packages.
NationPress
10 Aug 2026
Frequently Asked Questions
What is the Khagaria-Purnea highway project approved by the CCEA?
It is the four-laning of the 143.529-km Khagaria-Purnea section of NH-31 and NH-231 in Bihar, approved by the Cabinet Committee on Economic Affairs on 3 June at a cost of ₹3,936.05 crore. The project will be executed on Build-Operate-Transfer (BOT) toll mode and includes a 6.729-km Greenfield bypass around Purnea city.
Which districts will the Khagaria-Purnea four-lane highway cover?
The corridor passes through Khagaria, Bhagalpur, Katihar and Purnia districts in Bihar. It forms part of the broader Patna-Purnea route and connects key urban centres, railway stations and the airport at Purnea.
How will the project improve connectivity in Bihar?
The upgraded highway will link five PM Gati Shakti economic nodes — one textile cluster, two mega food parks and two fishing seafood parks — along with 11 logistics nodes including four railway stations, one airport, four national highways and two state highways. Travel time on the route is expected to fall to nearly two hours.
How many jobs will the Khagaria-Purnea highway project create?
The government estimates 32.59 lakh person-days of direct employment and 40.55 lakh person-days of indirect employment during construction and allied activities. The bulk of jobs will be tied to civil works, land development and the Purnea bypass.
What is the BOT (Toll) mode used for this project?
Build-Operate-Transfer (Toll) is a public-private partnership model where a private concessionaire builds and operates the highway, recovering investment through toll collection over the concession period before transferring it back to the government. It is being used for the Khagaria-Purnea corridor to bring in private capital and execution capacity.
