Mumbai, Oct 20 (UNI) US Secretary of State Marco Rubio today expressed confidence that India and the United States were close to concluding their proposed trade agreement, saying negotiations had reached an advanced stage with only a limited number of issues remaining. Speaking to reporters at the Taj Memorial in Mumbai, he indicated that the outstanding matters could be resolved shortly, raising hopes of an announcement on the long-pending agreement in the near future. "We're very, very close," Rubio said, maintaining that the two sides were nearing the point of formalising the agreement. He clarified that the US State Department…