14-day bid window for 12.5 km Assam highway improvement

National Highways & Infrastructure Development Corporation Limited (NHIDCL) is contracting for the one-time improvement of a 12.5 km section of National Highway 37 (Silchar-Churaibari section) in Assam, from Km 0.000 (Karimganj) to km 12.500 (Ulukandi).

Bidders must be experienced Road/Bridge Contractors/firms/organizations. They must have an average annual turnover of at least Rs. 1740.21 Lakhs (40% of the contract value) over the last 5 years. They must have completed at least one similar work of not less than 12.50 km in length within the last 5 years. Firms declared non-performing or blacklisted/debarred by MoRT&H, NHAI, or NHIDCL are excluded. Bidders must possess a valid Digital Signature Certificate (DSC).

• Estimated Civil Cost: Rs. 4,350.52 Lakhs (inclusive of GST)
• Tender Security (Bid Security): Amount not stated in the document (only the cost of bid documents is specified as Rs. 11,800)
• Tender Type: National Competitive Bidding through e-Tendering (Single stage two cover system)
• Bid Submission Deadline: 15.06.2026 up to 17:00 Hrs IST
• Bid Validity: 120 Days
• Time of Completion: 6 Months / 36 Months (Note: The table lists '6 Month/36 Months' under the 'Time of Completion' column, which is ambiguous in the source text)

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