Bharat Electronics Ltd., Jalahalli, Bangalore.
Manufacturer of High-end Communication Receivers.

Starting with the manufacture of a few communication equipment in 1956, BEL (Bharat Electronics ) 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.

Manufacture of Transmitting Tubes, Silicon Devices and Integrated Circuits started in 1967. In 1970, manufacture of Black & White TV Picture Tube, X-ray Tube and Microwave Tubes started. The following year, facilities for manufacture of Integrated Circuits and Hybrid Micro Circuits were set up.

1972 saw BEL manufacturing TV Transmitters. The following year, manufacture of Frigate Radars.
1974 manufacturing Radars and Tropo communication equipment.
1979 Image Converter and Image Intensifier Tubes.
1980: BEL's first overseas office was set up at New York for procurement of components and materials. In 1981, a manufacturing facility for Magnesium Manganese Dioxide batteries was set up at the Pune Unit.

1985 also saw BEL manufacturing on a large scale Low Power TV Transmitters and TVROs . 1986 manufacturing Switching Equipment, TV Glass Shell and Electronic Warfare Equipment. 1989 saw the manufacture of Telecom Switching and Transmission Systems. BEL Units obtained ISO 9000 certification in 1993-94.

In 1998, BEL set up its second overseas office at Singapore to source components from South East Asia. The year 2000 saw the Bangalore Unit, which had grown very large, being reorganized into six Strategic Business Units.

1999
Bharat Electronics Ltd (BEL) has stopped production of black and white picture tubes at its Taloja unit. BEL is likely to sell the unit. The unit has incurred loss of Rs16 crore in the last one year. The company is scouting for buyers for the unit. The sale of the unit is said to help improve company's balance sheet. The last News about 1999 was: Plant shutdown, Other Electrical Equipment and Component Manufacturing, Electronics, Electronic Components and Accessories, Electron Tube Manufacturing, Electron tubes, Television Picture Tubes, Bharat Electronics Ltd.

Wikipedia in April 2010:

Bharat Electronics Limited (Hindi: भारत इलेक्ट्रॉनिक्स लिमिटेड) (BEL)(Hindi: बी ई एल ) is an electronics company with about nine factories, and few regional offices in India. It is owned by the Indian Government & primarily manufactures advanced electronic products for the Indian Armed Forces.BEL is one of the eight PSUs under Ministry of Defence, Government Of India. It has even earned the government's Navratna status.

The year 2000 saw the Bangalore Unit, which had grown very large, being reorganized into six Strategic Business Units (SBUs). The R&D groups in Bangalore were also restructured into Specific Core Groups and Product Development Groups. The same year, BEL shares were listed in the National Stock Exchange.

In 2002, BEL became the first defence PSU to get operational Mini Ratna Category I status. In 2003, the Company's turnover crossed the Rs.2,500 crores mark.

In 2005, BEL achieved a turnover of Rs.3223.6 (Rs. 32,336,000,000).

BEL achieved a turnover of Rs.3,561 crores (provisional) (Rs 35,610,000,000) in 2005-06.

In June 2007, BEL was conferred the Navratna status based on its consistent performance.

As of April 1, 2008, BEL's order book is estimated to be around Rs.9,450 crores.