Hotel / Hospitality Management

Yes, you can get admission.

There is no integrated course to learn Spanish in hotel management. However, you can learn the same simultaneously.

PGDM is better than M. A. from any good college/University.Nowadays diploma courses are short term and preferable.

Since MBA is a Post graduate programme, you first need to complete your graduation and then explore seeking admission into MBA. You could appear for BA via correspondence course and become a graduation in 2 years time. Ensure that you score more than 50% marks at the graduation exam.

I study in VIPS so I can tell you that you will surely have an amazing college life full of all the fun you want to have. This course has started this year itself so I can't say about how it would be but otherwise the college would be good for you.

Culinary Academy of India, IHM Pusa or BCIHMCT New Delhi are few good colleges where in you can become a good culinary expert which will help you in fulfilling your dream come true. Thanks.

It is compulsory to clear class 12th with English for pursuing Hotel Management.

No, you can't. The third and final round of counseling for this year is over, and you have been allotted your institute. This is what clause number 11.7 of NCHMCT brochure says:-
INTER-INSTITUTE TRANSFER/ MIGRATION
National Council does not allow inter-institute transfer or migration on any ground during the entire duration of course since the allotment of Institute are done on merit-cum-choice only. No request for transfer or migration will be entertained after allotment of seat in any Institute of Hotel Management.

If you really want to be a cook.
It is very good.
Do a research about the field, find each and every aspect of the cooking.
This will increase your knowledge about the field too.
Then, you can find out the possibilities and the way which is reliable to you.
In this case, I can only suggest you to follow your heart and be practical for your goals and actions.
Best of luck.