New Delhi - India is being pushed towards a clear-cut decision on its Russian oil imports as the threat of higher U.S. tariffs sharpens, according to the Global Trade Research Initiative (GTRI).U.S. president Donald Trump warned on January 4 that Washington could raise tariffs on Indian goods if New Delhi does not stop buying Russian oil. The warning comes at a time when Indian exports to the U.S. are already under strain. At present, Indian shipments face a cumulative 50% import tariff, with half of that directly linked to India’s continued purchases of Russian . . .