Wednesday, August 24 2005 19:28 Hrs (IST) - World Time -

New Delhi: Indian Space Research Organisation (ISRO) is developing five communication satellites which are expected to be launched during 2005-07, the Lok Sabha was informed today (August 24, 2005).

INSAT-4A, INSAT-4B, INSAT-4C, INSAT-4D/GSAT-5 and GSAT-4 have been approved during the tenth five-year plan and are proposed to be launched during 2005-07, Minister of State in the Prime Minister's Office Prithviraj Chavan said in a written reply.

The objective of INSAT-4A, 4B, 4C and INSAT-4D/GSAT-5 was to augment the INSAT system capacity with additional C band and Ku band transponders for communication and broadcasting purposes, he said.

The objective of GSAT-4 satellite was to develop and demonstrate advanced communication technologies in high-frequency Ka band, Chavan said.