Indian Railways is undergoing rapid transformation with multiple mega-projects across the country. One of the most significant infrastructure developments in the Northeast is the doubling of the railway track between Dhansiri (Including) and Naojan (Excluding) in Assam.
This project covers 44.86 km of railway line and includes electrification and signaling works, making it an important part of the Lumding – Tinsukia – Dibrugarh doubling project under the Northeast Frontier Railway (NFR).
📌 Tender ID: CE-CON-LTD-EPC-2024-05
💰 Estimated Cost: ₹690.04 Crore
🏗️ Mode of Execution: EPC (Engineering, Procurement & Construction)
With competitive bidding, multiple top infrastructure companies from across India are vying for this project, reflecting its strategic and economic importance.
🔎 Background of the Project
The Northeast region of India is geographically unique, culturally rich, and strategically important. However, due to challenging terrain, the region’s connectivity has always been an issue. Railways play a critical role in connecting the Northeast to the rest of India.
The Lumding – Tinsukia – Dibrugarh section is one of the busiest corridors in Assam. It handles both passenger and freight trains, including essential goods, fuel, coal, tea, and other commodities. The single-track system often causes delays and capacity bottlenecks.
To overcome these issues, the Government of India and Indian Railways approved the track doubling project, which is being executed in phases. The Dhansiri–Naojan section is a crucial part of this expansion plan.
🌍 Why is the Dhansiri–Naojan Track Doubling Important?
- Enhanced Rail Capacity
- A single track restricts the number of trains that can operate daily. Doubling will allow more trains, higher frequency, and smoother operations.
- Reduced Congestion & Delays
- Train delays are common in Assam due to limited track availability. With doubling, waiting time at crossing stations will reduce drastically.
- Modern Electrification & Signaling
- Electrification will reduce reliance on diesel locomotives, cut fuel costs, and make operations eco-friendly.
- Modern signaling improves safety and ensures better train speed management.
- Economic Growth for Assam & Northeast
- Industries in Assam—such as tea, oil, petrochemicals, and cement—depend on railway freight. Doubling will speed up cargo movement and reduce logistics costs.
- Boost to Passenger Services
- Faster connectivity between Lumding, Tinsukia, and Dibrugarh means shorter travel time and better passenger experience.
- Strategic Connectivity
- Assam is the gateway to the Northeast. Better railway infrastructure strengthens not only economic links but also strategic mobility for the entire region.

🏗️ Comparative Statement of Bidders
The tender for this project attracted 10 major companies, all experienced in infrastructure, EPC, and railway projects.
Here’s the official comparative statement of bids:
| Rank | Bidder Name | Bid Price (₹ Cr) | % vs Estimate |
|---|---|---|---|
| 1️⃣ | DCC Infra Projects Ltd. (Kaithal) | ₹559.21 Cr | -18.96% |
| 2️⃣ | Ashoka Buildcon Ltd. (Nashik) | ₹565.15 Cr | -18.10% |
| 3️⃣ | Bharti Infra Projects Ltd. (Guwahati) | ₹565.84 Cr | -18.00% |
| 4️⃣ | Ravi Infrabuild Projects Ltd. (Udaipur) | ₹567.84 Cr | -17.71% |
| 5️⃣ | Shivalaya Construction Co. Pvt. Ltd. | ₹569.56 Cr | -17.46% |
| 6️⃣ | ABCI Infrastructures Pvt. Ltd. (Cachar) | ₹593.23 Cr | -14.03% |
| 7️⃣ | IRCON International Ltd. (New Delhi) | ₹604.13 Cr | -12.45% |
| 8️⃣ | Rail Vikas Nigam Ltd. (New Delhi) | ₹631.32 Cr | -8.51% |
| 9️⃣ | Power Mech Projects Ltd. (Hyderabad) | ₹673.69 Cr | -2.37% |
| 🔟 | Vishwa Samudra Engineering Pvt. Ltd. (Hyderabad) | ₹751.53 Cr | +8.91% |
📊 Observation:
- The lowest bidder (L1) is DCC Infra Projects Ltd., quoting 18.96% below the estimated cost.
- The top five companies are in a very competitive range of -17% to -19%, showing intense bidding.
- Vishwa Samudra Engineering Pvt. Ltd. quoted the highest, at +8.91% above estimate.
🏗️ About the Key Bidders
- DCC Infra Projects Ltd. (Kaithal) – Known for railway EPC projects, highways, and bridges. Their aggressive pricing makes them the front-runner.
- Ashoka Buildcon Ltd. (Nashik) – One of India’s largest infrastructure firms, with expertise in highways and railways.
- Bharti Infra Projects Ltd. (Guwahati) – Strong presence in the Northeast with multiple local infrastructure projects.
- Ravi Infrabuild Projects Ltd. (Udaipur) – Specializes in EPC contracts, particularly in railways and roads.
- Shivalaya Construction Co. Pvt. Ltd. – Established player with a portfolio in railways, roads, and bridges.
- IRCON International Ltd. (New Delhi) – A government PSU with global railway projects experience.
- Rail Vikas Nigam Ltd. (RVNL) – Another government-backed company handling multiple railway development projects.
📊 Economic & Social Benefits of the Project
The doubling of Dhansiri–Naojan will impact not just railways but also local communities, trade, and the economy.
- 📦 Faster Goods Movement – Assam’s tea and oil industries will get better logistics.
- 👨👩👧 Improved Passenger Services – More trains, reduced delays, and safer travel.
- 🏭 Industrial Growth – Better connectivity attracts investments in manufacturing and logistics hubs.
- 🌱 Eco-Friendly Impact – Electrification reduces carbon emissions and diesel consumption.
- 🛠️ Job Creation – Construction and railway operations generate employment for engineers, contractors, and workers.
🚄 Role in Indian Railways Modernization
The Government of India has prioritized railway modernization, with focus areas like:
- 100% electrification of railway lines by 2030.
- High-speed rail corridors in select regions.
- Track doubling in congested zones like Assam, Bihar, UP, and Maharashtra.
- Digital signaling and AI-based monitoring for safety.
The Dhansiri–Naojan doubling project aligns with this vision and strengthens India’s Act East Policy, improving trade links with Southeast Asia via the Northeast.
❓ FAQs on Dhansiri–Naojan Doubling Project
Q1: What is the estimated cost of the project?
👉 ₹690.04 Crore.
Q2: What is the length of the track being doubled?
👉 44.86 km.
Q3: Who is the lowest bidder?
👉 DCC Infra Projects Ltd. with a bid of ₹559.21 Cr (-18.96%).
Q4: Which railway zone is handling the project?
👉 Northeast Frontier Railway (NFR).
Q5: What are the expected benefits of the project?
👉 Faster trains, reduced delays, higher capacity, better connectivity, and economic growth in Assam and Northeast India.
🌟 Conclusion
The Dhansiri–Naojan railway track doubling project is a transformative step for Assam’s railway network. With modern electrification, digital signaling, and double-line operations, this project will ensure faster connectivity, stronger trade links, and sustainable growth for the entire Northeast region.
As bidding closes and contracts are awarded, Assam can look forward to a new era of railway efficiency and economic opportunity.
Stay tuned with TezUpdate for continuous updates on Indian Railways projects, Northeast infrastructure, and government tenders.
🔑 Target
- Dhansiri Naojan railway track doubling
- Assam railway electrification project
- Northeast Frontier Railway latest news
- Lumding Tinsukia Dibrugarh doubling project
- Indian Railways EPC tender 2024
- Railway projects in Northeast India
- Assam railway development news
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