Indian Institute of Hotel Management, Kolkata

IHM Kolkata is the better choice. This is due to their better placement records. And affiliation to the Government via NCHMCT and Ministry of Tourism .

You just need to pass +2 in any stream with English as one of the subjects. For Diploma, you can directly go to the institute and ask about the admission process and with a degree from IHM, you need to clear entrance exam and then you will get placed according to your rank.

Go through the below link:
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/exams/iihm-echat

Dear student, you can visit our website www.iihmca.org and download the application form and mail the filled in application form to iihmca@gmail.com

Dear Nishita,
The fee structure for the Bachelors Degree in Catering Technology and Culinary Arts (BCT&CA) Affiliated to Osmania University is Rs. 1,10,000 per annum which includes uniform fee.

Dear Komal,
The eligibility criteria for the admission into the three years Bachelors Degree in Hotel Management and Catering Technology (BHM&CT) and Bachelors Degree in Catering Technology and Culinary Arts (BCT&CA) is 10+2.

Your 12th marks don't matter for admission to Christ for BBA in hotel management and the eligibility is pass in all subjects of class 10th and 12th without any back or supplementary papers. You can easily apply and get admission only if you clear personal interview for the course.

National Council for Hotel Management and Catering Technology (NCHM) is a council, which governs all the government and private hotel management institutions, including IHMs.