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Kolkata Metro has launched a comprehensive INR 585 crore modernisation and sustainability upgrade for a cluster of underground stations on its Blue Line, officials said. The project will see improvements in passenger facilities and service quality while introducing environmentally friendly technologies, including energy-efficient systems, waste management solutions and enhanced ventilation. Work will be carried out at multiple stations along the corridor, with plans to maintain operational continuity during the upgrade. Authorities said the initiative aligns with broader efforts to improve commuter experience and support low-carbon transit goals in the city's mass rapid transit network. The upgrade is expected to benefit daily commuters and strengthen the resilience of key urban transport infrastructure as Kolkata Metro responds to evolving demand and sustainability priorities.
Kolkata Metro has initiated a major INR 585 crore overhaul of its Blue Line underground stations, focusing on sustainability, modernisation and improved passenger amenities, the metro operator announced. The project is intended to enhance infrastructure quality and bring environmentally friendly technologies into a critical section of the city's mass transit system.
The upgrade will be implemented across several underground stations on the Blue Line, which serves as a key east-west transit corridor for daily commuters in Kolkata. According to officials, the modernisation effort will introduce energy-efficient systems, including advanced lighting, ventilation and temperature control technologies designed to reduce overall energy consumption while maintaining passenger comfort.
In addition to mechanical and electrical upgrades, the project will focus on waste management solutions and improved station layouts to enhance commuter experience and accessibility. Upgraded facilities are also expected to improve pedestrian circulation, signage, seating areas and platform safety features while preserving operational continuity along the corridor.
The Blue Line's sustainability makeover is seen as part of a wider strategic effort to enhance the performance and environmental footprint of Kolkata's metro network. As urban rail systems across India face growing demand, transport authorities are increasingly incorporating green design principles and energy-saving technologies to support sustainable operations.
Officials have emphasised that the work will be phased carefully to minimise disruption to daily metro services. Commuters are likely to see periodic changes in station layouts and temporary adjustments in access routes as specific areas are upgraded sequentially. Communication channels, including station notices and travel advisories, will be used to inform passengers of changes and ensure safe navigation throughout the project period.
The overhaul is expected to benefit a large segment of daily commuters who rely on the Blue Line for work, education and other routine travel needs. By creating a more comfortable and efficient transit environment, Kolkata Metro aims to strengthen ridership confidence and support long-term growth in public transport use.
Transport planners noted that investments in station modernisation and sustainability not only address immediate commuter needs but also contribute to broader urban goals, including reduced carbon emissions, enhanced service reliability and improved integration with multimodal transport networks. As Kolkata's metro system continues to expand, such upgrades are anticipated to play an important role in shaping the city's future mobility landscape.
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