In a written reply, Minister of State of the Department of Space Jitendra Singh said that of the 13 communication satellites, five are of INSAT series-3A, 3C, 4A, 4B, 4CR and eight of GSAT series GSAT-6, 7, 8, 10, 12, 14, 15 and 16.
There are 12 earth observation satellites namely Resourcesat-2, RISAT 1 and 2, Cartosat 1, 2, 2A, 2B, Oceansat-2, SARAL, Kalpana-1, Megha-Tropiques and INSAT-3D.
Seven navigational satellites which are operational are Indian Regional Navigation Satellite System (INRSS)-1A, 1B, 1C, 1D, 1E, 1F and 1G.
Apart from these, there are two space science satellites namely the Mars Orbiter Mission and Astrosat, he added.
PTI