Indian shares look set to open sharply higher on Thursday after Muhurat Trading reflected a tone of cautious optimism.Investors are pinning hopes for a U.S.-India trade deal, with reports suggesting that both countries are close to finalizing a long-awaited bilateral trade deal that could sharply lower tariffs on Indian exports to about 15-16 percent from the current average of 50 percent. It was said that India may agree to gradually scale down its imports of Russian crude oil in return for tariff concess ...