Communication and Navigation Satellite System
Earth Observation System
Space Applications
Space Transportation System
Space Sciences and Planetary Research
Sponsored Research
Indian Space Industry
Space Commerce
Systems Reliability and Safety
Human Resources
International Cooperation
‘Space’ In Parliament
Space Programme Publicity
Right To Information
Performance Evaluation of Department of Space Based on Result Framework Document
Audit Observations
Citizens’ Charter
The Centres of
Indian Space Programme
Organisation Chart
Budget at a Glance
Indigenous CUS of GSLV-D5
  Communication and Navigation Satellite System

Indian National Satellite (INSAT) system, established in 1983, is the largest domestic communication satellite system in the Asia Pacific Region with several communication satellites in operation – INSAT-3A, INSAT-3C, INSAT-3E, INSAT-4A, INSAT-4B, INSAT-4CR, GSAT-8, GSAT-10 and GSAT-12. The overall coordination and management of INSAT system rests with INSAT Coordination Committee.

Satellites In Service
Satellites under Development
Satellite Navigation Programme
GPS Aided Geo Augmented Navigation (GAGAN)
Indian Regional Navigation Satellite System (IRNSS)
IRNSS Navigation Centre (INC)
IRNSS Range and Integrity Monitoring Stations (IRIMS)
IRNSS CDMA Ranging Stations (IRCDR)
IRNSS Spacecraft Control Facility (IRSCF)
IRNSS Network Timing Facility (IRNWT)
IRNSS Data Communication Network (IRDCN)
IRNSS Laser Ranging Service (IRLRS)
Navigation Signal Performance Analysis