Exam

Hey Vishal , I am afraid to say that you cannot enroll in the BHM degree course after 10th only. You must complete your intermediate to avail any courses from IHM . Your score in 10th and 12th doesn't matter you will have to qualify in the NCHMCT entrance test to get admission in any IHM for BHM. As I can see you want to got for the diploma in FnB service but you must first complete your intermediate. I think I have answered your query.
Thanks

NIFT conduct an entrance for admission into its various campuses each year. You can read the entrance exam notification for this year to know more in details. Best wishes.

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Yes, you can, this course is in trend. A lot of universities in India and outside India are offering this course.