Travel and Tourism one of the world's largest foreign exchange earner among industries, provides employment directly to millions of people worldwide and indirectly through many associated service industries. A very wide industry, it includes Government tourism departments, Immigration and customs services, travel agencies, airlines, tour operators, hotels etc and many associated service industries such as airline catering or laundry services, Guides, Interpreters, Tourism promotion and sales etc. Travel and Tourism enterprises include major internationals with a workforce of thousands, to the small private travel agent with a handful of employees.Work in the travel and tourism industry is essentially concerned with providing services for people who are away from home, on business or holiday. Travel can be leisure travel involving package tours, pilgrim travel, adventure travel etc or purely business. Work at every functional level in the industry involves dealing directly with people. Travel agents assess the needs of tourists and businessmen and help them make the best possible travel arrangements from the many travel options available. Also, many major cruise lines, resorts, and specialty travel groups use travel agents to promote travel packages to the millions of people who travel every year.Travel company personnel must be up-to-date on current rules and regulations and documentation required, in areas like cargo, ticketing and passports, visas etc. so as to correctly advise their clients, and to take care of the paperwork when necessary. Besides this, all tourism staff in marketing, counter sales, or guide services, should be knowledgeable about the places their clients visit, in terms of general background, how to get there connections by air, rail and road and the facilities available.In India, Travel and tourism, as an industry, has been somewhat slower to take off than in many other places.