1. The communication through satellites emerged as a new era in the system of communication in our country.
2. The use of Satellite in getting a continuous and synoptic view of larger area has made this communication system very vital for the country.
3. Satellite images are used for weather forecasting.
4. Monitoring of natural calamities.
5. Surveillance of border areas.
6. The INSAT (series) is a multipurpose system for telecommunication, meterological observation and for various other programs.
7. They are used for relaying signals to television, telephone, radio and mobile phone.
8. And also useful in weather detection, internet and military applications.