Chinese President Xi Jinping (L) looks on as Indian Prime Minister Narendra Modi speaks as they issue a joint statement in New Delhi on September 18, 2014. India's prime minister expressed concern to China's visiting President Xi Jinping September 18 about "incidents" on the two countries' disputed border, as a stand-off between troops at the frontier overshadowed key talks. "I expressed concern on the incidents on the border and said peace and tranquility on the border is the foundation for good relations," said Prime Minister Narendra Modi after formal talks with the Chinese leader. AFP PHOTO/RAVEENDRAN        (Photo credit should read RAVEENDRAN/AFP via Getty Images)