India will launch six more satellites — two communication satellites, three navigation satellites and a space science satellite — during 2015-16. In addition, India also plans to launch 13 more satellites belonging to four countries using the Indian Polar Satellite Launch Vehicle (PSLV). As of April 2015, the Indian Space Research Organisation (ISRO) has launched 74 satellites. Of these, seven failed to reach orbit due to launch failure while three failed in orbit.