GS 3: Science & TechnologyGS 3: EconomyPrelimsGS 3: Infrastructure: Energy, Ports, Roads, Airports, Railways etc.GS 3: Indigenization of Technology and New Technology Development
Modi flags off first VB sleeper; 'pride of Assam', say passengers, Pg12
India's first Vande Bharat Sleeper train flagged off, connecting Howrah to Guwahati in 14 hours, heralding new era of rail travel.