SDSC SHAR, with two launch pads is the main launch centre of ISRO located at 100 km north of Chennai. SDSC SHAR has the necessary infrastructure for launching satellite into low earth orbit, polar orbit and geostationary transfer orbit. The launch complexes provide complete support for vehicle assembly, fuelling, checkout and launch operations. Apart form these, it has facilities for launching sounding rockets meant for studying the earth’s atmosphere.

Achievements include establishment of launch complexes for Sounding rockets, SLV- 3, ASLV and PSLV. Launch complex augmented for GSLV.