Bharat Heavy Electricals Limited (BHEL), Trichy.In 1956, BHEL was founded, launching India’s heavy electrical equipment market. In 1974, BHEL and Heavy Electricals (India) Limited merged. When BHEL was founded in 1956, it was intended to be a simple manufacturing PSU with assistance from the Soviet Union in terms of technology.Thyristor technology was at the cutting edge in the 1980s.