The document classifies hotels based on location, size, level of services offered, and theme. It discusses factors that affect the hotel industry such as tourism, multinational corporations, aviation, and events. Various types of tourism like medical, adventure, wildlife, and pilgrimage tourism are economic factors for the hotel industry. The aviation industry, private players, increased airports, and advertisement campaigns also impact the hotel business. Other outside factors like terrorism and international events held in India additionally influence the hotel industry.