Commerce

The only way to score marks in Maths and economics is to practice. Both the subjects need a lot of practice. Solve as much as previous years paper and understand the type of question and the values will definitely vary. Study at the most productive time of the day. Depending upon your comfort.

Absolutely yes, a stream is not as important as your skills and passion.
procedure
It is necessary to clear the class 2 medical of DGCA.
Join an aviation institute.
Fly at least 200 hours.
Clear the exams.
Get the CPL certificate.

For taking up any branch of engineering it is mandatory to take Science in class 12. or do Polytechnic and then join 2nd year. As with commerce, you can't do engineering.

BBA and then MBA will be one of the best option for commers student. If you are interested you may go for designing coursesalso you can think for B.Sc. M.Sc. In mathematics.

The last date for Ph.D. admission in SPPU is 12 October 2022.

Yes, you can apply for M.A. Vaishnavism.

Some universities and courses for commerce student without Maths in Canada are:
Humber College.
Durham College.
Nova Scotia Community College.
Mohawk College.
CTS Canadian Career College.
Algonquin Careers Academy.
University of the Fraser Valley.

You can pursue B.Com (Hons) in accounts or finance and opt for CFA.

Sri Ram College of Commerce, Delhi. Hindu College, Delhi University. LSR, Delhi University. Hansraj college, Delhi University. Loyola College, Chennai. MCC, University of Madras. KMC, Delhi University. St. Xaviers College, Mumbai. Each College has different criteria available on the colleges web site.

YES you can do the B.Com course absolutely after completion of 12th MCVC. Also you can opt for various courses which includes, BBA CA etc.