ISRO has devised the concept of dedicated GRAMSAT satellites, taking into account the urgent need to eradicate illiteracy in the rural belt that is necessary for the integral development of the nation.
This Gramsat satellite carries six to eight high-power C-band transponders which, together with video compression techniques, can broadcast relevant regional and cultural audiovisual programs in each of the regional languages through a retransmission mode on an ordinary television.
The high power in the C band has even allowed viewers from remote areas out of reach of TV transmitters to receive programmers of their choice in a direct receive mode with a simple.