Prime Minister Modi is all set for a five-nation visit. He is expected to take up the black money issue in Switzerland and the all-important pitch for India's membership in the Nuclear Suppliers Group. Along with that, easing curbs on US visas will dominate talks in his second visit to Washington in less than 3 months. He will also be making crucial stops in Afghanistan and Qatar that are of strategic importance to India. Listen in to Foreign Secy - S Jaishankar on the issues on the top of PM's agenda.