[2] The company started its first operation in 1964[3] by incorporating technology from the French firm EVR for the manufacturing of brushless alternators, required for Indian Railways in lighting & air-conditioning of coaches.

This unit was initiated with technical assistance from Bharat Heavy Electricals to manufacture distribution transformers.

The Structural Engineering Division of KEL Mamala Unit, specializes in the design, fabrication and commissioning of hydraulic gates and hoists and their regulatory utilities used in dams for power and irrigation projects.

The expert areas of the KEL Structural Division located at the Malama unit in Ernakulam district are the design, fabrication and commissioning of hydraulic gates, hoists and their regulatory utilities for power generation / irrigation needs.

The Switchgear division located in Olavakkod in Palakkad district started operational in 1977 with technical knowledge adopted from UNELEC, a French company.