GS 3: Science & TechnologyGS 3: EconomyPrelimsGS 3: Infrastructure: Energy, Ports, Roads, Airports, Railways etc.GS 3: Indigenization of Technology and New Technology Development
PM to launch first Vande Bharat sleeper this month, Pg7
India's first Vande Bharat sleeper train to launch between Kolkata and Guwahati this month, boosting railway infrastructure and connectivity.