ISAC at Bangalore is engaged in developing satellite technology and implementation of satellite systems for scientific, technological and application missions. ISAC is functionally organised into five major areas: mechanical systems area including structures, thermal systems and spacecraft mechanisms; digital and communications area including digital systems and communication systems; integration and power area comprising spacecraft checkout, systems integration and power systems; controls and mission

area consisting of control system, mission development and computer and information; and facilities. Reliability and components area and programme planning and evaluation group provide relevant support to the centre. Project management teams co-ordinate the implementation of INSAT and IRS projects. Space astronomy and instrumentation division is engaged in space science activities. ISRO Satellite Integration and Test Establishment (ISITE) including a Comprehensive Assembly, Test and Thermo-vacuum Chamber (CATVAC) provide necessary support for qualification of sub-systems and systems to meet the requirements of space environment.

Achievements include design and development of more than 50 satellites so far of various types like scientific, communication and remote sensing.