B.Sc

You need to specify the college in your question. In general, Fees per Year/Semester for Diploma in Aircraft Maintenance is Rs. 15000 in Singhania University.

You should have studied Nutrition as a subject in B.Sc. You can also check the websites of various colleges offering this course. Candidate whose rank is up to 1000 can apply.

The lowest expected cutoff for B.Sc Maths is 85% in DU.

Yes, B.Sc in agriculture asks for at least 50% to 60% aggregate in class 12th with the subjects Physics, Chemistry and Biology for eligibility.

For starters, it is like asking difference between 10th standard and 12th the standard. You need to pass class 10th to get into class 12th. Both are degree courses. One is a under graduate course and another PG course. In the first one you would be dealing with raw hotel management, and in the second one you would be focusing on the business aspect of hotel management.