Commerce

B com and then bba or mba. any college recognized by ugc and affiliated to aicte is good

Yes it is.but ultimately it depends on your professional competence in the field of your interest

Hi Rushi, there are plenty of jobs in the field of conmerce from delivery boy to manager, from online marketing to banks and I hope you understand it is not possible to list out all here. Salary matters on your job profile, company,location, your own merit and potential etc. It can range from 8 k to as high as a lakh. Do specify what exactly you are looking for.

For MBA you have to carry minimum 50% in graduation

Either you have to join any coaching centre like TIME or Career Launcher or Erudite or any private tuition.

Commerce explores many opportunities. You can become C.A. Finance Expert Financial Adviser in Corporate world and many more.

You have to register yourself to cpt before 60 days of the 1st day of month in which cpt examination is to be held. last date for june attemp is 1st april.
yes u can register urself before september to be eligible for december attempt.
there is no limit on attempts to clear any level exams of CA. U HAVE GOT UNLIMITED CHANCES.
but u may have to renew your registeration after particular period iofu r unable to clear ur xams within that period.

As per CBSE student cannot change its stream in class 12 and also in mid stream of class 11. And you might also face problem from changing your stream from comm without maths to science with maths. The link for the same is given below:
http://m.indiatoday.in/education/story/cbse-would-not-permit-stream-change-in-class-11/1/440132.html

Yes , Surely you can.

yes the course of BCA is for every stream