New Delhi, Sep 12 (ANI): Union Trade Minister, Nirmala Sitharaman, on Friday (September 12), met US Deputy National Security Adviser for International Economics, Caroline Atkinson, to prepare ground for Prime Minister Narendra Modi's visit to Washington. Modi accepted an invitation to meet US President Barrack Obama after he won the general elections in May 2014, as Washington seeks to court India's new government and revive strained relations between the two countries. Modi is set to attend the United Nations General Assembly in New York and address an audience on September 28.