NationalFriday, 6 March 2026·The Hindu / PIB
India’s first riverine lighthouses on Brahmaputra: four solar-powered towers planned under NW-2
On 6 March 2026, Sarbananda Sonowal laid foundation stones for four river lighthouses on the Brahmaputra under National Waterway-2.
Key highlights
Direct fact
In March 2026, Union Minister Sarbananda Sonowal laid the foundation stones for four river lighthouses at Lachit Ghat, Guwahati, on the Brahmaputra River under National Waterway-2 (NW-2), with a combined project cost of about ₹84 crore.
Key specifics
- The four locations are Bogibeel, Pandu, Silghat and Biswanath Ghat.
- Biswanath Ghat in Biswanath district is the only lighthouse on the north bank.
- Each lighthouse is planned to be 20 metres high.
- The geographical range is 14 nautical miles and the luminous range is 8–10 nautical miles.
- The lighthouses are designed to be 100% solar-powered and to include weather sensors and public amenities.
Exam lens
Infrastructure and geography question type: location-based MCQ, NW-2, Brahmaputra, Lachit Ghat, Guwahati, ₹84 crore, 20 metres, 14 nautical miles. TNPSC may ask India’s first riverine lighthouses are being built on which river and under which waterway.