In Diphu, a hotel must provide a certain amount of upscale features to earn a 5-star rating. These may include on-site gyms, saunas and spas, gourmet restaurants, complimentary luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their superior service. You can expect things like concierge services, nightly turn-down services and in-room massage. Some may even offer special touches like a welcome gift.