New Delhi, Sept. 19 -- India's chief economic adviser (CEA) V. Anantha Nageswaran on Thursday expressed optimism over a resolution to the tariff stand-off with the US within the next two months, and said he sees a steady momentum in the Indian economy. Speaking at an industry gathering in Kolkata, Nageswaran said he believed Washington would soon roll back the additional 25% tariff imposed on New Delhi for buying Russian oil. "Beneath the surface, lots of conversations are going on between the two governments... Although I don't have a crystal ball or any insider information, I can say that my personal confidence is that in the next couple of months, if not earlier, we will see a resolution, at least to the extra tariff of 25%," he said. "I...