ANI - The 18 co-passenger satellites include four from IN-SPACe (three UNITYsats from the consortium of three Indian academic institutes and One Satish Dhawan Sat from Space Kidz India) and 14 from NSIL., , isro, Amazonia-1, 18 Co-passenger satellites, PSLV-C51, Sriharikota Range, satish dhawan space centre, Nellore, andhra pradesh