India's protectionist policy has remained a concern for the United States with respect to the trade deal between the two countries, a senior US administration official said on Friday, ahead of President Donald Trump's visit to India, adding that the "Make in India" campaign makes the discussion on trade difficult."The protectionism policy has been a concern for us. We have had a number of announcements coming from India which are making the discussions more difficult perhaps," the official told the reporters here."The recent one being the 'Make in India' announcement, (which) has made the protectionism concern even greater. There has been an increase and not a decrease of concerns and this would certainly come up among the leaders," the official added.Tensions on the trade front between the two countries had emerged in June, last year, after Trump revoked preferential trade privileges, in response to which India imposed tariffs on 28 US products, including almonds and apples. Despite .