Hotel Management also known as Hospitality management, includes a whole lot of work areas right from Hotel industry to Travel and tourism industry to Airlines to Hospitals etc.
But generally speaking Hotel management caters to the hotel industry mainly.
To get into hotel management you could either pursue a Diploma after 10th or pursue 12th any stream, then after clearing an entrance exam you could pursue BHM/BBA-HM degree course a 3 years degree course.
Once into a job, it is advisable to get certificates and diploma in areas you are interested in.
Also remember knowledge on different languages and computers do play an important role. Being innovate and creative is the key to succeed in this job market.
Wish you good luck…