The Kolkata Directorate oversees a vital maritime zone along India’s eastern coastline and its complex network of navigable rivers, including the Hooghly and its estuaries. This region serves as a gateway for maritime trade in eastern India, supporting the operations of major ports like Kolkata and Haldia. The area sees constant movement of ocean-going vessels, coastal ships, fishing boats, and inland crafts navigating the challenging riverine and coastal waters.Given the dynamic and often demanding navigation conditions — with shifting sandbars, tidal currents, and busy shipping lanes — the Directorate of Lighthouses and Lightships, Kolkata, plays an essential role in guiding vessels safely. The Directorate provides a range of Aids to Navigation (AtoNs), strategically positioned along the coast and river channels to assist mariners and ensure the uninterrupted flow of maritime commerce.Functioning as a regional unit under the Directorate General of Lighthouses and Lightships (DGLL), which operates under the Ministry of Ports, Shipping and Waterways, the Kolkata Directorate remains committed to supporting safe and efficient navigation in one of India’s most important maritime regions.