CBSE 10th

Maybe, in private college of hotel management but in government IHMs, you are eligible after 12th with English subject.

You can go for CAT exam. It is best, as engineering students can easily crack it. so, I will suggest you to practice that.

Yes, he can study in Canada.

Hello,
It is very good that you are keen to learn technical subjects. In your area where you want to reside check for the colleges which are good at academics as well as in placement (jobs opportunity). In between ME/CS you can carry CS if you have interest in computer language and coding. For mechanical it will be better that you should have good hand in mathematics because ME course has number of numerical subjects. Good luck.

Hi, Please find the link below:
https://www.shiksha.com/university/indian-maritime-university-Chennai/exams/imucet.

No, she may get admission in diploma in pharmacy after completed 10+2 with Physics, chemistry, biology or Maths.

You can learn some programming language like c, Java, Python to be teacher after 10.

Chances are less, because you have a bit low score in your class 12th, and even in your graduation. Now, it depends upon your competitive exams, if you manage to get good score. Definitely, you can get admission for PGDM course.

Hello Rajan, Environmental studies and that too urban environment is definitely a very good choice. The present central government of India us giving lot of attention to urban planning. Smart cities us in fact a part of it. So if you decide to come back to India, just have no worries. There will be enough employment opportunities for professionals with your qualifications. Best wishes.