About ISRO ISRO Centres Programmes Decade Plan Space Science International Sponsored Research Space Services Antrix Corporation Training Facilities Press Release   Satish Dhawan Space Centre, SHAR   Main launch centre of ISRO, 100 km north of Chennai. Processes solid propellant motors and conducts ground tests. Launch ranges at Thumba also for sounding rockets. Achievements include establishment of launch complexes for Sounding rockets, SLV- 3, ASLV and PSLV. Launch complex augmented for GSLV.