On March 6, Prime Minister Narendra Modi unveiled India's first-ever underwater metro in Kolkata. The first-day commercial service from Howrah Maidan station on the East-West metro corridor saw an impressive 70,000+ commuters, slashing their travel time from 45 minutes to a mere ten minutes. Kolkata's metro is revolutionising urban transportation, fueling real estate growth, and advancing sustainable transit. How is the Kolkata metro affecting the city's business and economic potential? Manisha Natarajan discusses with Mr Harshavardhan Neotia - Chairman Ambuja Neotia Group, Mr. Yogesh Gupta - CEO & Managing Director MEGAA MODA Pvt Ltd., and Mr. Saptarshi Sankar Chakrabarti - Architect & Urban Planner.