When you buy any huge electric devices that can consume a lot of power and energy, you would have noticed a sticker of the star, these are BEE ratings. The device is rated out of 5, if it has more stars 4..or 5 it is the most energy-efficient, Also your refrigerator works for 24 * 7, and so it is required to keep your electric bill under check, hence BEE ratings are very important on refrigerators.