Doordarshan , a public service broadcaster ,is one of the
largest television network in world. It
started a service on 15 September 1959 at Delhi with the transmission of
educational and developmental programme on an experimental basis. The second television centre was started in
Bombay in 1972 and later Doordarshan‘s television service was expanded to other
places .
The rapid expansion of DD started in 1984 with almost every
day a transmitter being installed in country.
Doordarshan is presently operating 31 TV channels besides free to air DTH
service