NEW DELHI: Indian Railways (IR) is set to introduce a new Vande Bharat Sleeper Express service between Varanasi and New Delhi on Saturday, further expanding its. Uttar Pradesh Chief Minister Yogi Adityanath and Railway Minister Ashwini Vaishnaw will flag off the new service, which aims to strengthen inter-city connectivity while providing passengers with a comfortable, efficient and modern option for long-distance overnight travel.