Prime Minister Narendra Modi arrived landed in Delhi on Tuesday night after his six-day, three-nation tour that took him to China, Mongolia and South Korea.

Mr Modi, who left on May 14, spent three days in China. He visited Xi'an, Beijing and Shanghai, and held talks with the Chinese leadership. He then went to Mongolia on May 17, becoming the first Indian prime minister ever to visit the northeast Asian country.

He was in South Korea on May 18-19, during which he held talks with President Park Gyeun-hye and a number of agreements were inked.