The space agency began its launch rehearsal Sunday at its launch centre in Sriharikota in Andhra Pradesh.

The launch of India’s third navigational satellite IRNSS-1C has been postponed by a week, the Indian space agency said Monday.

In a posting on its Facebook page, the Indian Space Research Organisation (ISRO) said: “Due to an observation in the telemetry system, the launch has been postponed for a week.”

However officials were not available to clarify on the issue further.

The Indian rocket Polar Satellite Launch Vehicle (PSLV) was slated to carry the Indian Regional Navigational Satellite System-1C (IRNSS-1C) in the early hours of October 10.

The space agency began its launch rehearsal Sunday at its launch centre in Sriharikota in Andhra Pradesh.

The satellite is one of the series of satellites to be launched by India to build its own regional navigational system.