The Discharge lamps were one of the reliable sources of artificial light energy, which fundamentally works by converting electrical energy to light energy by ionizing the gas particles. Discharge lamp gained popularity, in the mid-twentieth century. The best part of the discharge lamps, it can produce lights of assorted colours. Due to its working principle, it is cheap, long-lasting, and can be used for a number of applications. Due to the advent of technology, they have been replaced where possible with LEDs.