As global urbanization accelerates, robust Mass Rapid Transit Systems (MRTS) have become the lifeblood of sustainable city mobility. In this comprehensive first volume, infrastructure pioneer Dr. B.C. Roy chronicles India's transformative metro journey—from the nation’s first metro line and groundbreaking under-river tunnel in Kolkata, to the sprawling, modern transit networks of Delhi, Mumbai, Bengaluru, and beyond, alongside innovative infrastructure like the CWG Stadiums. Bridging the gap between historical evolution and advanced engineering, the book offers an authoritative exploration of complex planning processes, geotechnical challenges, tunneling technologies, indigenous manufacturing, and sustainable green infrastructure. Packed with meticulous case studies, practical project experiences, and crucial policy insights, this indispensable guide serves as the ultimate reference for professionals, policymakers, and the next generation of engineers shaping the future of urban transit.