Light plays a very important role as it dictates our movements in today's work culture. In this modern world, lighting has become essential without which every thing comes to a standstill. Proper and regular lighting not only allows good visibility but also has an effect on health and comfort of human beings. In spite of advancement achieved in the field of electricity generation & distribution uninterrupted electric power supply can`t be assured, power failures are to occur and reoccur at any time. Hence emergency lighting is a vital part of any installation today.