SLC – 02 – 25 GSM can save up to 41 % energy by reducing the power at midnight (Considering 50 % reducing time). The specialty of power saving mode is uniform lighting thought street lighting which save power and yet avoid dark spots on road. Energy savings combined with reduced maintenance costs are prime benefits of street light control and management. SCADA software named City light is based on advanced use of global technologies such as GSM & real time embedded systems.