ISRO begins countdown for launch of navigation satellite 

SRIHARIKOTA:  Scientists at the Indian Space Research Organisation (ISRO) on Sunday commenced the 27.5-hour countdown for the launch of a navigation satellite on board a GSLV rocket here on May 29.

The Bengaluru-headquartered space agency has drawn up plans to launch a second-generation navigation satellite series which would ensure the continuity of NavIC (Navigation with Indian Constellation) services.

The satellite would provide real-time positioning and timing services over India and a region approximately 1,500 km around the mainland.

The countdown for the lift-off commenced at 7. 12 am on Sunday, ISRO sources said.