India has officially unveiled the prototype for the Vande Bharat Sleeper train, poised to redefine long-distance overnight rail travel. Designed for a high-speed experience up to 160 kmph (with a test speed of 180 kmph), the train features ultra-comfortable berths, automatic doors, sensor-based lighting, and on-board Wi-Fi, offering aircraft-like luxury. This 'Make in India' semi-high-speed marvel promises reduced travel time and a significantly smoother, quieter journey, setting a new global be