History is replete with the instances of great exploits of great individuals and science plays an important role in the shaping of human endeavours that become invaluable, or rather inseparable part of culture. Among the scientific breakthroughs of modern times, laser acquires a very special place. Laser is actually the acronym for Light Amplification by Stimulated Emission of Radiation. It is a mechanism for emitting electromagnetic radiation, typically light or visibly light, through the process of stimulated emission.