abstract:The Space Applications Centre (SAC)(Hindi:अंतरिक्ष अनुप्रयोग केंद्र) is an institution of research in Ahmedabad, India under the aegis of the Indian Space Research Organization (ISRO). It is one of the major centres of ISRO that is engaged in the research, development and demonstration of applications of space technology in the field of telecommunications, remote sensing, meteorology and satellite navigation (Sat Nav).