Archive · 21 Nov 2025
Kolkata Metro Expands Services & Upgrades Security on Blue & Purple Lines
Kolkata Metro is getting a big security upgrade on the Blue Line with AI-powered CCTV cameras that can spot problems and alert operators.
Plus, commuters can now enjoy Saturday services on the Purple Line, connecting Joka and Majerhat.
AI-powered CCTV network to be installed on Blue Line by March 2026
1,678 high-resolution cameras to enhance security, replacing old systems
AI engine to alert operators for unattended baggage, perimeter breaches, or unusual crowd behavior
Saturday services introduced on Purple Line from November 22, 2025
40 services (20 UP & 20 DN) to operate every Saturday at 21-minute intervals
- Who
- Kolkata Metro authorities, Brihaspathi Technologies Ltd
- What
- Installing AI-powered CCTV network on Blue Line & introducing Saturday services on Purple Line
- When
- AI CCTV network by March 2026, Saturday services from November 22, 2025
- Where
- Kolkata Metro's Blue Line & Purple Line
- Why
- To improve passenger safety, security, and travel flexibility
Pro-AI Surveillance
Privacy Concerns
Real-time Threat Detection
Pro-AI Surveillance
AI can help detect threats and suspicious activities in real-time, improving passenger safety.
Privacy Concerns
Constant surveillance may infringe on passengers' privacy, raising ethical concerns.
- Project Cost (Blue Line)
- Rs 25.34 crore
- Number of Cameras (Blue Line)
- 1,678
- Completion Date (Blue Line)
- March 2026
- Oldest Metro Network in India
- Kolkata Metro's Blue Line
- Number of Services (Purple Line)
- 40 (20 UP & 20 DN)
- Service Interval (Purple Line)
- 21 minutes
Sources
Country’s oldest Metro corridor in Kolkata to switch to AI-powered CCTV network by March 2026
Kolkata Metro Blue Line to get AI-powered CCTV network by March 2026 - Telegraph India
Kolkata metro to begin Saturday services on Purple Line from November 22
