New Delhi, Oct. 15 -- US secretary of state Marco Rubio will travel to India next week with a large business delegation and meet Indian officials to strengthen the bilateral strategic partnership and to discuss regional and global issues and prospects for enhanced energy cooperation. This will be Rubio's second visit to India this year - he last travelled to the country in May, when he met Prime Minister Narendra Modi and external affairs minister S Jaishankar and participated in a Quad foreign ministers' meeting - and comes at a time when India-US relations continue to be strained. Rubio will travel to India from Uzbekistan, the first leg of a two-nation visit, and visit Mumbai and Jamnagar during the trip, the US state department announced on Wednesday. While the announcement didn't provide the specific dates for the India visit, people familiar with the matter said he is expected to arrive in Mumbai on October 18....