Diploma

Yes, you need to appear for lateral entry test.

Yes, you can get admission in 2nd year once you clear the eligibility as well as the entrance exam MUOET.

Here is the list of colleges providing culinary arts courses. I hope it will help you. https://www.shiksha.com/hospitality-travel/culinary-arts/colleges/colleges-india.

Click the link below to check the eligibility and admission procedure from the link below.
https://bit.ly/2CaAen0

You can secure admissions for B Tech programme through lateral entry scheme. You will have to clear lateral entry admission tests conducted by the state for admissions to state level engineering colleges. Alternately you can enrol for AMIE/AMIME/AMAeSI

Hi,
No, you will not get a degree after pursuing this course.
https://www.shiksha.com/design/interior-design/course/diploma-in-interior-architecture-and-design-delhi-school-of-architecture-and-design-pitampura-310613

Yes, you can, but as you have done Diploma from mechanical, now it would be a totally different line, if you do tourism Diploma. If you have high interest to do it, then it is okay, otherwise it is for no use.

Hi Vivek,
13 years of education is not required in Canada. It is mostly a requirement in Germany. You can go ahead with the applications for BBA.