Dear Vishnu Prashant B.sc hotel management is one of the promising careers out there.Generally Bsc hotel mangmangmanage is a 3 year( 6 semester) course and can join those students who are undergone higher secondary and passed with above 50%.For getting admission in to to colleges or Universitiy candidates should under go relevant entrance tests conducted by colleges These fees of this three year course would be around 1 to 3.5 lacks and the candidates can expect a salary above 2 lacks  or more depending on the skills of the candidates.About salary you can get is about 20k from your start and more if you are in big hotel brands Best of luck