India, Sept. 25 -- The US President, Donald Trump, has signed the "Lindsey O Graham Sanctioning Russia and Iran Act of 2026", earlier passed by the US House of Representatives, thereby eliminating the legal complexities associated with relying on executive orders. This new law empowers the US President to impose sanctions against not only Russia and Iran but also to slap penalties of up to 100 per cent tariffs on countries that import more than 15 per cent of Russia's total global oil exports. Since India and China are specifically named as the top buyers of Russian oil and gas, the Act serves as a warning to them. India imports 37 per cent (a figure now estimated to reach 45 per cent) and China imports 50 per cent of the oil Russia sells...