GS 2: International RelationsGS 3: EconomyPrelimsGS 3: Infrastructure: Energy, Ports, Roads, Airports, Railways etc.GS 2: India and its Neighbourhood Relations
India to extend its railway grid to Bhutan: how this will help the neighbours, Pg14.
India extends railway grid to Bhutan with ₹6,033 crore investment, boosting trade and regional ties amid China's influence.