India: After the last year’s failure of its IRNSS-1H, ISRO has decided to add the eighth satellite in the NavIC constellation. The satellite is likely to be launched from March end to April, but NavIC is already in full scale as four satellites are sufficient for navigation and we already have six, according to ISRO chairman, K Sivan, who was quoted in a report published in the Hindu. Read More at Geospatial World