Open tender · India · Civil Works

NHIDCL/Assam/Record of Discussion/2025

National Highways and Infrastructure Development Corporation · Assam

Buying office: Corporate Office-New Delhi - NHIDCL

National Highways and Infrastructure Development Corporation in India is inviting bids for “NHIDCL/Assam/Record of Discussion/2025”. Bids close on 2 November 2026, 18:00 IST; the estimated value is ₹11,982 crore and bid security (EMD) is ₹6 crore. Reference: NHIDCL/Assam/Record of Discussion/2025.

The work

Construction of 4 Lane Twin Tube Road cum Rail Underwater Tunnel under River Brahmaputra, including 4 Lane approaches along with provision of Railway infrastructure in one of the tubes, in the state of Assam on EPC Mode

Key facts

Estimated value: ₹11,982 crore
Bid security: ₹6 crore
Tender fee: ₹5 lakh
Procedure: Open Tender
Period of work: 1826 days
Bids valid for: 120 days
Pre-bid meeting: 17 Sep 2026, 11:00 IST · NHIDCL HQ New Delhi
Bid opening: 03 Nov 2026, 18:00 IST
Published: 31 Aug 2026
Reference: NHIDCL/Assam/Record of Discussion/2025

Questions about this tender

When is the deadline?

Bids close on 2 November 2026, 18:00 IST.

Who is the buyer?

National Highways and Infrastructure Development Corporation, India.

What is the contract worth?

The notice gives ₹11,982 crore.

Is a bid security (EMD) required?

Yes: ₹6 crore.

What is the reference number?

NHIDCL/Assam/Record of Discussion/2025.

How do I bid?

askTender reads the tender against your company profile — eligibility, gaps and the documents you need — and can prepare the entire bid for you.

Last updated from the source: 19 Oct 2026

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Public data: Government eProcurement System of NIC. · Sources & licences