Kolkata Metro is undergoing a major transformation, with multiple expansion projects set to revolutionize urban mobility in the city. Here’s a comprehensive update on the latest developments, new routes, and what commuters can expect in the coming months.
Noapara–Airport Metro: Direct Airport Access by July 2025
One of the most anticipated projects is the Noapara–Airport Metro corridor, scheduled to launch by July 2025. This new line will provide direct metro connectivity to Netaji Subhas Chandra Bose International Airport, significantly reducing travel time and easing traffic congestion on key routes. The seven-kilometer stretch is currently awaiting final safety clearance from the Commissioner of Railway Safety (CRS), with commercial operations expected to begin soon after approval. This corridor is part of the larger Noapara–Barasat Yellow Line, ultimately enhancing north-eastern connectivity for the city.
Purple Line (Joka–Majerhat–Esplanade): More Services and Further Extensions
Recent months have seen a substantial increase in services on the Purple Line (Joka–Majerhat). As of May 2025, the number of daily trains has risen to 62, with intervals reduced to 24 minutes, greatly benefiting daily commuters. Service hours have also been extended, with the first and last trains now running from early morning until 8:00 pm. However, services remain suspended on weekends.
Construction is actively progressing to extend the Purple Line from Majerhat to Esplanade, where it will connect with the Blue and Green Lines, integrating the corridor with the broader metro network. Additionally, the Purple Line is set for further expansion: a 1.7 km extension to IIM Calcutta has been approved, with contracts for construction soon to be awarded. Once complete, the line will run 18 km from IIM-Joka to Eden Gardens, improving access to key educational and business hubs and enhancing the Esplanade interchange.
Network Growth: 90 km by 2025, 130 km by 2027
The Kolkata Metro network is on track to reach 90 km by the end of 2025 and over 130 km by 2027. This expansion aims to connect every part of Kolkata, including major suburbs and the airport, benefiting lakhs of daily commuters. The current network already links the central business district with the city’s eastern, southern, and northern fringes, and upcoming projects will further encircle Kolkata and Howrah4.
Digital Upgrades and Passenger Convenience
Kolkata Metro is also enhancing passenger experience with digital upgrades. Commuters can now purchase up to four single QR tickets via the Metro Ride Kolkata mobile app, which also supports PIN-based logins for added convenience.
Key Takeaways
- Noapara–Airport Metro: Launch expected by July 2025, direct airport access for faster, hassle-free travel.
- Purple Line Expansion: More frequent services between Joka and Majerhat, extended operating hours, and ongoing construction toward Esplanade and IIM Calcutta671.
- Network Milestones: 90 km coverage by end-2025, targeting 130 km by 2027 to connect all major city zones.
- Digital Ticketing: Enhanced app features for easier, contactless ticketing1.
Kolkata Metro’s rapid expansion and modernization are set to transform urban commuting, making travel faster, more convenient, and accessible for millions across the city.
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