NEW DELHI (AFP) - Indian space scientists plan to send an unmanned mission to Mars by 2013 to look for evidence of life, a news report said. The six-to-eight-month mission, likely to be launched in the next seven years, would cost three billion rupees (67 million dollars), the Hindustan Times reported. "Mars is emerging on our horizon. The geo-stationary launch vehicle can take a payload to Mars and our Deep Space Network can track it all the way," G. Madhavan Nair, the chairman of the Indian Space Research Organisation (ISRO), told the newspaper. "There is a lot of interest in...