Kolkata receives a connectivity score of 74/100 for business travelers. International Airport Connectivity (30%): 22/30 - Netaji Subhas Chandra Bose International Airport (CCU) offers direct international flights to major Southeast Asian destinations (Bangkok, Singapore, Kuala Lumpur), Middle Eastern hubs (Dubai, Doha, Abu Dhabi), and select European cities (London), plus key Asian cities like Hong Kong and Dhaka. The airport operates 24/7 with modern facilities, efficient immigration processes, and two operational terminals. However, international connectivity is primarily regional, with limited direct long-haul routes to Europe and no direct North American connections, requiring connections for many Western business travelers. Domestic Airport and Rail Connectivity (25%): 21/25 - Exceptional domestic connectivity through CCU with direct flights to all major Indian cities (Delhi, Mumbai, Bangalore, Chennai, Hyderabad, Pune) and numerous tier-2 cities via multiple carriers with high daily frequencies. Outstanding rail connectivity with Howrah Junction (one of India's busiest stations), Sealdah Station, and Kolkata Station providing extensive connections to all four metros and major business centers through premium services like Rajdhani Express, Shatabdi Express, and Duronto Express. Airport located 15-17 km from city center with 45-60 minute access time. Public Transportation Systems (25%): 18/25 - Comprehensive network including India's first metro system connecting major business districts with air-conditioned comfort, extensive bus network via WBTC and private operators, heritage trams on limited routes, and ferry services across Hooghly River. Metro expanding with new East-West corridor enhancing venue accessibility. However, pedestrian infrastructure is inconsistent with footpath encroachment, limited wheelchair accessibility, challenging traffic discipline, and uneven sidewalk quality requiring caution for street navigation. Alternative Transportation Options (20%): 13/20 - Diverse options including iconic yellow Ambassador taxis, app-based services (Uber, Ola), auto-rickshaws for short-medium distances, cycle-rickshaws, emerging bike/scooter rentals, shared auto-rickshaws, magic vans on fixed routes, and ferry services. Recent metro connection directly links airport to city center. However, auto-rickshaw fares require negotiation, and the variety of informal options may be overwhelming for international visitors unfamiliar with local practices.