India’s First Riverine Lighthouses on Brahmaputra: A New Era for Inland Waterway Navigation

 



India’s First Riverine Lighthouses on Brahmaputra: A New Era for Inland Waterway Navigation

Introduction

India has taken a historic step in strengthening inland waterway infrastructure with the announcement of the country’s first riverine lighthouses along the Brahmaputra River (National Waterway-2). The foundation stones for four such lighthouses were laid by Union Minister for Ports, Shipping and Waterways Sarbananda Sonowal at Lachit Ghat in Guwahati.

These lighthouses will be constructed at Pandu, Bogibeel, Silghat, and Biswanath Ghat along the Brahmaputra River with a total project investment of approximately ₹84 crore. The project is being implemented by the Directorate General of Lighthouses and Lightships (DGLL) in collaboration with the Inland Waterways Authority of India (IWAI).

Traditionally, lighthouses are associated with coastal navigation, guiding ships along sea routes. However, this initiative marks a pioneering shift towards providing lighthouse-based navigation support within inland waterways, which is expected to revolutionize river transport in India.

Background of the Project

India has been actively promoting inland waterways as an economical and environmentally sustainable transport mode. The Brahmaputra River, designated as National Waterway-2 (NW-2), is one of the most important inland water corridors in the country.

NW-2 stretches 891 kilometres from Dhubri to Sadiya in Assam, making it the longest navigable river stretch in India. The river is crucial for transporting commodities such as:

  • Tea

  • Coal

  • Fertilizers

  • Agricultural products

  • Passenger and tourism traffic

With the cargo movement on NW-2 witnessing a 53% surge during the financial year 2024–25, the need for reliable navigation infrastructure has become increasingly important. The development of riverine lighthouses is therefore a strategic step to ensure safe and round-the-clock navigation.

The project originated after feasibility studies and consultations between IWAI and DGLL, followed by the signing of a Memorandum of Understanding (MoU) on April 8, 2025. The lighthouses are expected to be completed within 24 months of the contract award.

Need for Riverine Lighthouses

Unlike coastal areas, inland waterways often face challenges such as:

  • Shifting river channels

  • Changing water levels

  • Fog and poor visibility

  • Limited night navigation infrastructure

  • Lack of modern navigation aids

The Brahmaputra River, known for its dynamic hydrology and strong currents, makes navigation particularly difficult, especially at night.

Riverine lighthouses will address these challenges by providing continuous visual navigation aids, ensuring safer navigation for cargo vessels, passenger ferries, and tourism boats.

Each lighthouse will:

  • Stand 20 metres tall

  • Have a geographical range of 14 nautical miles

  • Provide a luminous range of 8–10 nautical miles

  • Operate using solar power, ensuring sustainability.

Objectives of the Project

The riverine lighthouse initiative has several strategic objectives:

1. Enhance Navigation Safety

The primary aim is to improve safety for vessels navigating the Brahmaputra, particularly during night operations and poor weather conditions.

2. Enable 24×7 Waterway Operations

By improving navigation infrastructure, the project will enable round-the-clock cargo and passenger movement on NW-2.

3. Promote Inland Water Transport

The government aims to strengthen inland waterways as a cost-effective alternative to road and rail transport.

4. Boost Tourism Development

Each lighthouse site will include:

  • Museum

  • Amphitheatre

  • Cafeteria

  • Children's play area

  • Souvenir shops

  • Landscaped public spaces

These features will transform the lighthouses into tourism attractions and educational centres.

5. Strengthen the Northeast Supply Chain

Improved river navigation will support industries such as tea, agriculture, coal, and fertilizers that rely on the Brahmaputra corridor.

Impact of the Project

The development of riverine lighthouses is expected to create multiple economic, environmental, and social benefits.

Economic Impact

  • Reduced transportation costs for bulk goods.

  • Improved logistics efficiency in Northeast India.

  • Support for regional industries and trade.

Environmental Impact

Transporting cargo via waterways produces significantly lower carbon emissions compared to road transport, making it a sustainable alternative.

Infrastructure Development

The project will strengthen navigation technology, weather monitoring systems, and river management infrastructure.

Tourism and Local Economy

The addition of public amenities and tourism facilities will encourage river tourism, boosting local employment and economic activities.

Importance for Inland Waterways in India

The success of this project represents a major milestone in India’s inland waterway strategy.

Transporting cargo via waterways is:

  • Three times cheaper than road transport

  • More energy efficient

  • Less polluting

  • Less congested

For the Northeast region, where road connectivity is often affected by terrain and weather, activating the Brahmaputra as a major freight corridor can transform regional connectivity.

If successful, riverine lighthouses could be replicated across other national waterways such as:

  • Ganga (NW-1)

  • West Coast Canal (NW-3)

  • Godavari and Krishna river systems

Thus, this initiative could mark the beginning of a new generation of smart navigation infrastructure for India’s rivers.

Conclusion

The construction of India’s first riverine lighthouses along the Brahmaputra River represents a visionary step toward strengthening inland water transport infrastructure. By combining modern navigation technology, renewable energy, and tourism development, the project addresses both economic and environmental goals.

As cargo traffic continues to grow on National Waterway-2, these lighthouses will serve as beacons of safe navigation, regional development, and sustainable transportation.

In the long run, the initiative could become a model for enhancing inland waterways across India, helping transform rivers into vital economic corridors for the nation.

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