31 Years of Delhi Metro: Growth & Innovation In 2025, Delhi Metro celebrates an incredible 31 Years of Delhi Metro — a journey marked by growth, innovation, and world-class urban transportation solutions. From its humble beginnings in 1995 to becoming one of the largest and most efficient metro networks in the world, the Delhi Metro Rail Corporation (DMRC) has redefined how millions of people commute daily. In this article, we explore the evolution, milestones, innovations, and future vision of Delhi Metro over the past three decades.