Russia is looking into a solution for a problem that has become hard for India to ignore: how to keep oil and other strategic goods moving when sanctions, war and maritime chokepoints threaten the world’s busiest energy routes. Moscow’s proposal for a direct rail link to India through Central and South Asia remains exploratory, but analysts say it points to a wider scramble by major powers to build trade corridors beyond the reach of the Strait of Hormuz, the Bosphorus and Western pressure. The...