Bengaluru: Instability introduced by excessive payload weight was most likely responsible for the failure of an Indian rocket's launch on Christmas day, an expert in the field and former scientist of

The count down has started for the launch of India's latest communication satellite GSAT-5P on board GSLV-F06 launch vehicle from Sriharikota on Friday.

ISRO spokesperson S Satish told PTI that the 30-hour count down started at 10.04 hours this morning and was progressing well.

Chennai: In the second setback to the country's space programme this year, the launch of India's latest communication satellite GSAT-5P tomorrow from the spaceport of Sriharikota, was deferred today