What if there was a way to switch on the AC to cool the room ahead of time before you enter the house, or turn off an appliance that you forgot about? Well, Delhi-based start-up Octise has heard your woes. Its device lets you control all your electrical appliances simply through a mobile app. “Everything around is smart: smart watches, smart phones and even, smart cities. So, now is the time to make smart home an affordable reality,” says founder Ujjwal Syal.