PM Narendra Modi flags off the second Vande Bharat Sleeper Train connecting Varanasi and Delhi via Prayagraj and Kanpur, promising faster, more comfortable journeys with modern amenities and advanced safety features. New Delhi: Marking a historic day for Indian Railways, Prime Minister Narendra Modi flagged off the new Vande Bharat Sleeper Train linking Kashi (Varanasi) and Delhi, highlighting the services for passengers.