Smart meter is a next generation meter which is highly efficient and user friendly ,which provides a great way to save and control the usage of energy. The smart meter is wirelessly connected to users by the means of IoT. This means user can easily have control on the meter as per his needs. The advantage of smart meter is it can be used by utilities to communicate information to bill customers and operating their electric system. Earlier the system utilized one way communication to collect meter data and were referred as AMR. But now due to sophisticated technology, AMI the system can communicate in two ways for both data collection, billing and to control the device.