New Delhi, Nov. 7 -- We do everything in our capacity to keep our electricity bills lower, like switching off lights, limiting AC time, and timing laundry loads. But no matter how careful we are, the power bills still keep getting higher.

So what's silently draining all that power?

As it turns out, the real culprits aren't always the appliances we actively use but the ones we forget about. The TV in the guest room, the printer that's always plugged in "just in case," the coffee maker that stays ready for your morning coffee, they continue consuming electricity even when they're switched off.

These idle electronics are known as "vampire devices." They stay in standby mode to power up faster, stay connected to Wi-Fi, or simply keep inter...