Prime Minister Narendra Modi will take part in a regional summit in Uzbekistan that according to Russia will see face-to-face talks between Vladimir Putin and Chinese President Xi Jinping. The gathering of the Shanghai Cooperation Organisation (SCO) comprising China, Russia, four Central Asian countries -- Kazakhstan, Kyrgyzstan, Uzbekistan and Tajikistan -- India and Pakistan is due to take place in Samarkand on September 15 and 16.