Bharat Electronics Limited
Starting with the manufacture of communication equipment in 1956, BEL went on to produce Receiving Valves in 1961, Germanium Semiconductors in 1962 and Radio Transmitters for AIR in 1964.
In 1966, BEL set up a Radar manufacturing facility for the Army and in-house R&D.
In 1970, manufacture of Black & White TV Picture Tube, X-ray Tube and Microwave Tubes started.
1972 saw BEL manufacturing TV Transmitters for Doordarshan.
1989 saw the manufacture of the first batch of 75,000 Electronic Voting Machines.