The countdown has begun for the launch of India's long delayed Geosynchronous Satellite Launch Vehicle (GSLV) tomorrow from Sriharikota, India's spaceport 100 km north of Chennai in the southern state of Tamil Nadu.

National broadcaster Doordarshan will telecast the launch live. DD's national network will start the telecast of the launch at about 3.15 pm.

A curtain raiser programme on GSLV will also be telecast, a release from the Indian Space Research Organisation (ISRO), said on Monday.