In order to get into the hotel industry one needs to take up a course in hotel management. hotel management is usually a bachelors course which takes 3-years after the 12th (in any stream). You will be required to clear the entrance exam before you get in to the course.
Some pf the premier institutes offering Hotel management are:
*IIHM institute-Mumbai,Delhi,Kolkata, Aurangabad
*Merit Swiss Asian School of Hotel Management
*PCTE Institute of Hotel Management
Ta get a list of more colleges offering hotel management log on to http://www.youngbuzz.com/colleges-guide
And while you say that you would like to become a manager in one of the best hotels,it would require you to take a step-by-step method.
To know more about the various departments that you will have to work in before getting to the managerial level log on to
Hope this helps.