ISTRAC is responsible for providing Space Operation services that include spacecraft control, TTC support services and other related projects and services, for the launch vehicle and low earth orbiting spacecraft and deep space missions of ISRO and other space agencies around the world. Development of RADAR systems for tracking & atmospheric applications and Establishment of Ground Segment Network for Indian Regional  Navigation Satellite System of ISRO are the additional responsibilities of ISTRAC.

Indian Space Research Organization (ISRO), over the years, established a comprehensive network of ground stations to provide Telemetry, Tracking and Command (TTC) support to Satellite and Launch vehicle missions. These facilities are grouped under ISRO Telemetry, Tracking And Command Network (ISTRAC) with its headquarters at Bangalore, Karnataka State, INDIA. ISTRAC has TTC ground stations at Bangalore, Lucknow, SHAR (Sriharikota), Thiruvananthapuram, Port Blair Island, Brunei, Biak (Indonesia) and Mauritius, meeting international standards.

The Indian Deep Space Network (IDSN), commissioned during the year 2008, at Byalalu village near Bangalore forms the Ground segment for providing deep space support for India’s prestigious and first Lunar mission, the Chandrayaan-1.