Commerce

yes you can go to the respective website where you can find the vacancies of PhD commerce

You need to complete HSC or a Diploma in order to pursue UG courses.

The basic eligibility for DU JAT is that you must have maths as a compulsory subject in class 12th. Hence, you cannot appear in the exam with Hindi.

You need to mention the name of the college in which you are seeking admission. Generally, the interview process for most colleges is just a formality, they will provide you admission no matter what.

The admission for Saint Andrews College of Commerce will be opening in the month of June by the end of the first week.

The Eligibility for pursuing a Bachelor of Science Degree in Information Technology is a pass in HSC (with Mathematics as a paper). Even without Science Group you can apply in many colleges, but not without Maths in HSC.

No, it's not like that. All three streams are totally different, you can opt for what you want to learn more and explore.

You have done B.Sc in hotel management, you can take any subject in Bachelor of Education whether be it business studies economics, arts, etc.

University of Mumbai will be a good option to take admission for BAF.

Going for CAT would be a better option. You may get admission in IIMs if you score a good percentile in CAT.
Good luck.