Star rating has caught consumer frenzy in every sphere—be it the app-based cab service, mutual fund schemes, insurance policies or the neighbourhood food joint. The belief that a higher rating indicates better product or service is not always true, as ratings are subjective and based on extensive data and experiences shared by people. So, about a decade ago, when the Bureau of Energy Efficiency (BEE) initiated star labelling on manufacturers of electrical goods like air conditioner, refrigerator, geyser, tubular fluorescent tube light among others, the intent was to get consumers to choose products where the power savings was high depending on the star rating of the product.