Commerce

Well, I think it is not possible to get admission into 2nd year Polytechnic directly.

Yes, but it also varies for aome colleges but don't worry becayse most of the colleges will take your admission because maths is not much required in B.Com.

You can be a professor or can have good opportunity in teaching field.

The Commerce and Management syllabus comprises the following.
1. Marks-Essay writing : 20 Marks
2. Marks-Subject based : 20 Marks
3. Marks Basic Mathematics : 20 Marks
4. Currents Affairs and General Knowledge : 40 marks
Note: except for essay writing, all other questions are multiple-choice based ques

Yes, they can give the exam for more information kindly visit the link given below for more information
https://www.shiksha.com/exams/nda-exam.

Yes, you can do, if studied English as a subject at 10+2 level and also obtained minimum 50% of marks at 10+2 level.

As per the eligibility criteria of DU' for B.Com (Hons. ); The candidate must have studied and passed Mathematics/ Business Mathematics at the qualifying examination for admission to B.Com. (Hons. ). So, you are not eligible.

You can pursue anything. B.Com BBA CA CWA, CS computer courses like BCA and many more choose wisely.