Reasons for the success of redbus

If you talk about the reasons why a certain website becomes famous or successful then you need to understand that all the products and services in this world whether they are online and digital products and services or whether they are physical products and services, as long as those products and services are useful for people and help them solve their problems then the probability of these products and services to become successful is very high. When you design a website like redbus then you are basically providing people with an alternative way to book tickets by providing them the service online and helping them do it without any hassle. What other reasons might be there for the success of redbus?