Mumbai (Maharashtra) [India], February 27: Dun & Bradstreet, a leading global provider of business decisioning data and analytics, released its report, City Vitality Index - Q1 2025, a comprehensive analysis that identifies and ranks India's most economically dynamic cities. This innovative report leverages cutting-edge satellite imagery to identify and rank India's most economically vibrant cities. Using NASA's Black Marble, a daily calibrated and validated product suite of night-time light data, the index offers an unparalleled look at economic activity, city vibrancy, and business potential across over 700 cities in India. By analyzing artificial lighting at night, a uniquely human signal captured by satellites, the City Vitality Index provides a new lens for understanding the interactions between human systems and the environment, making it an invaluable tool for evaluating economic dynamics.