Indian Railways is the largest railway system in the world under a single management. It is 150 years old and carries over 11 million passengers daily on more than 7,000 stations across its 8520 trains. It is also the largest civilian employer in the world with over 1.7 million employees. While Indian Railways has faced challenges like delays and corruption, it continues to expand its network and adopt new technologies to improve customer satisfaction and remain the primary mode of long distance transport.