🔆 NAVIGATING INDIA’S WATERWAYS: A SAFER, SMARTER NETWORK
🔆 WHY IN NEWS?
🟢 The Ministry of Ports, Shipping and Waterways highlighted measures to improve inland waterway navigation through hydrographic surveys, fairway maintenance, riverine lighthouses and digital navigation systems.
🔆 INDIA’S NATIONAL WATERWAYS
🟢 India has 111 National Waterways, spanning 20,187 km across 23 States and 4 Union Territories.
🟢 32 National Waterways are currently operational.
🟢 Inland waterway cargo movement increased from 29 million metric tonnes (MMT) in 2014–15 to 218 MMT in 2025–26 — a CAGR of 20.13%.
🟢 The growth has surpassed the 200 MMT target under Maritime India Vision 2030.
🟢 Water transport costs roughly one-third of road freight costs and half of rail freight costs, while generating fewer carbon emissions.
🔆 HYDROGRAPHIC SURVEYS
🟢 Conducted by the Inland Waterways Authority of India (IWAI) to measure river depth, bed profiles, shoals, flow characteristics and changes affecting navigability.
🟢 Thalweg surveys identify and monitor the deepest navigable channel.
🟢 Terminal and jetty surveys assess water depth and approach conditions.
🟢 As of September 2026, regular thalweg surveys covered 22 National Waterways.
📍 Least Available Depth (LAD)
🟢 LAD is the minimum water depth available in a navigation channel for a particular stretch and period.
🟢 It influences vessel draft, cargo capacity, route planning and seasonal navigation.
🔆 AIDS TO NAVIGATION (AtoN)
🟢 Recognised under the Marine Aids to Navigation Act, 2021.
🟢 Includes buoys, radar beacons, channel markers and lighthouses.
🟢 The Directorate General of Lighthouses and Lightships (DGLL) manages general aids to navigation along India’s coastline.
🟢 National Waterway-3 in Kerala has 312 solar-powered lighted FRP buoys and 17 beacon lamp posts, supporting 24×7 navigation.
🔆 INDIA’S FIRST RIVERINE LIGHTHOUSES
🟢 Announced in March 2026 on National Waterway-2 (Brahmaputra).
🟢 Four locations: Pandu, Bogibeel, Silghat and Biswanath Ghat.
🟢 Project cost: ₹74 crore.
🟢 The lighthouses will be 20 metres high, with a geographical range of 14 nautical miles and a luminous range of 8–10 nautical miles.
🟢 Solar-powered operations and weather-observation sensors will support safer navigation.
🟢 NW-2 connects Dhubri to Sadiya across 891 km. Cargo movement increased from 0.90 MMT in 2024–25 to 1.29 MMT in 2025–26.
🔆 DIGITAL NAVIGATION SYSTEMS
🟢 Electronic Navigational Charts (ENCs): Prepared for 18 operational and tidal waterways as of September 2026; available through portals including PANI and IWAI Vessel Tracker.
🟢 PANI: Portal for Asset and Navigation Information; provides waterway, infrastructure, jetty-connectivity and emergency-service information.
🟢 IWAI Vessel Tracker: Supports real-time vessel tracking, route updates and depth information.
🟢 Naudarshika: National River Traffic and Navigation System launched in 2025, incorporating real-time LAD information.
🟢 River Information Services (RIS): Integrates vessel tracking, weather and water sensors, and communication with control centres. On NW-1, RIS covers three stretches: Haldia–Farakka, Farakka–Patna and Patna–Varanasi.
🔆 SIGNIFICANCE
🟢 Promotes low-cost, energy-efficient and cleaner freight transport.
🟢 Reduces pressure on highways and supports regional connectivity.
🟢 Improves navigation safety, cargo predictability and round-the-clock operations.
🟢 Digital systems enable better traffic management and faster operational decisions.
🔆 UPSC MAINS PRACTICE QUESTION
📍 “Inland waterways can contribute to sustainable and cost-efficient logistics in India, but their potential depends on navigational safety and reliable infrastructure.” Discuss.
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