The Indian Space Research Organization (ISRO), throughout the years, set up an extensive system of ground stations to give Telemetry, Tracking and Command (TTC) backing to satellite and dispatch vehicle missions. These offices are gathered under ISRO Telemetry, Tracking and Command Network (ISTRAC) with its home office at Bangalore, India.

The connection between Indian Space Research Organization and Biak is that ISRO has a Telemetry, Tracking and Command (TTC) Station at Biak, Indonesia?

Ground Stations

ISTRAC has the following TTC ground stations:
Hyderabad
Bangalore
Lucknow
Port Blair
Sriharikota
Thiruvananthapuram

Telemetry, Tracking and Command (TTC) Stations
Port Louis, Mauritius
Bearslake, Russia
Biak, Indonesia
Brunei
Svalbard, Norway
Troll, Antarctica

The mission of the ISTRAC includes:
• Tracking, commanding and housekeeping data acquisition as well as health analysis and control, orbit and attitude determination and network co-ordination support to all low Earth orbit satellite missions of ISRO throughout their mission life.
• Telemetry data acquisition support for ISRO launch vehicle missions from lift-off until satellite acquisition and down range tracking support for monitoring and determining the satellite injection parameters.
• Coordinating between spacecraft and launch vehicle teams, supporting ground stations right from planning till the completion of mission for the national and international satellite missions.
• Telemetry, tracking and command support for the International satellite launch projects.