This report discusses the importance of emergency lighting system for fire safety in sustainable buildings. It provides necessary layout of installing the lightning devices and the power supply with the cabling. The report also covers the rules of BCA and the necessary requirements for installing emergency lights in stairways and ramps. It also discusses the design, power supply, luminaries, cabling, lightning control, PIR sensor, and the importance of lightning system in escape route, open-area, and high risk task area lightning.