ISRO’s NavIC Satellite IRNSS-1F Suffers Atomic Clock Failure After Completing 10-Year Mission by NDTV Profits | March 16, 2026 3:30 pm | Latest Posts, Market, Trending News An atomic clock onboard IRNSS-1F of India’s NavIC navigation network has failed after completing its 10-year mission life. The Indian Space Research Organisation said the satellite will still support messaging services despite the malfunction.