Cleanliness is the key to success. How a dropout student created a $5 billion company at 24
India's largest hotel chain, OYO Hotels, raised $1 billion from investors on Tuesday for a $5 billion valuation. OYO was founded just five years ago by young entrepreneur Ritesh Agarwal, then 19. Agarwal offers clients budget hotels that are clean and tidy, a huge rarity in India, where dirty linens in the room are common. To immerse himself in the hotel business, Agarwal, who dropped out of university, worked for a year as a janitor at a hotel.