As you requires I am here giving you list of the centers of Indian Space Research Organization (ISRO) in south India.

List of the centers of ISRO:

Bangalore :
Space Commission
Department of Space and ISRO Headquarters
INSAT Programme Office
NNRMS Secretariat
Civil Engineering Programme Office
Antrix Corporation
ISRO Satellite Centre (ISAC)
Laboratory for Electro-Optical Systems (LEOS)
ISRO Telemetry, Tracking and Command Network (ISTRAC)
Southern RRSC
Liquid Propulsion Systems Centre (LPSC)

Thiruvanatapuram :
Vikram Sarabhai Space Centre (VSSC)
Liquid Propulsion Systems Centre (LPSC)
ISRO Inertial Systems Unit (IISU)
Indian Institute of Space Science and Technology (IIST)

Hyderabad:

National Remote Sensing Centre (NRSC)

Tirupati :

National Atmospheric Research Laboratory (NARL)

Mahendragiri:
ISRO Propulsion Complex

Alua :
Ammonium Perchlorate Experimental Plant

Hassan:
Master Control Facility (MCF)

Contact detail :
Indian Space Research Organisation
Director, P&PR Unit, ISRO Hqs
Antariksh Bhavan, New BEL Road
Bangalore-560 231
Phone:+91 80 23415275 or 22172296
Fax: +91 80 23412253
Email: dir.ppr@isro.gov.in