a device that informs you of how much electricity your appliances are using every month. A device that notifies you on what time of day to use your power-guzzling appliances; puts an end to inaccurate energy bills and, better still, allows auto switch-off of devices when not in use.
This is the smart meter, and power transmission and distribution companies (discoms) such as Adani Energy Solutions, Tata Power, Torrent Power among others are in the race to deliver such meters to their customers.