University of Mumbai [MU]

Hi Taqdees,
Candidate must be a graduate from a recognized college /university to get eligible for the course.
https://www.shiksha.com/mba/course/post-graduate-diploma-in-travel-and-tourism-management-university-of-mumbai-fort-225452

Great to hear that you want to explore your skills and talent, I would suggest you meet agencies or radio stations and get an internship and if you are good at it they will hire you.

A very ambiguous query. What is it that you want to study? What are your grades? It is also difficult to list down the procedure for each and every university in every country you mentioned. Remember, the admission requirements differ accordingly. For a head start, prepare for IELTS or TOEFL and also GRE for US.

for Tolani College of CommerceThe minimum eligibility criterion required for M.Com course is having a Bachelor's degree in Commerce with aminimum of 50% marks.The admission is generally done through a common entrance test conducted by various universities accordingly. Certain universities also offer merit-based direct admission.

Hi,
No, you will have to appear in the qualifying examination to secure admission.

Yes, you can pursue two degrees at the same time if the degree modes are different. Hence, in your case, you can go ahead with both the degrees.

National Eligibility Entrance Test (NEET) is the gateway to several top-notch medical and dental colleges at the undergraduate level. The purpose of NEET is exam is to streamline the process of admission in MBBS and BDS courses. Whole of the admission under these two courses would come under this exam.
So NEET result is not requires for B.Sc admission.