Accounting & Commerce

I guess anybody who has passed higher secondary is eligible for the professional courses like CA CS CMA or CFA, so, yes.

The biggest university for commerce students is obviously Delhi University there are many good and excellent colleges under Delhi University which provides regular as well as online courses including some post graduate Diploma courses, you should check.

CS is conducted by ICSI it consists of 3 stages:- foundation, executive and professional
Topics such as company law, accounts are covered, there is more theory part then accounts in CS
About viva voice. It's an oral examination asked by a panel of experts who evaluate the candidates performance based on the answers.

Either you can complete the B.Com course and then do the business law, or you can give entrance exam and enter into business law course if a college is allowing you to.

Yes, you can get admission in B.Com 1st semester.

Yes, According to the new education policy you can do more than one course at a time, if you are doing B.Com from distant, you can Pursue BCA offline mode too but make sure the timings do not collide.

You can chose economics as your B. Ed subjects , it's a important subject in commerce field , everyone needs to study it , and you can earn the most by teaching economics as most of the students need guidence for it and they want to study it through teachers .

Yes, you can get admission in any university after clearing your back logs of B.Com .

Yes, you can apply, but you have to wait for a while to know their policies.

Yes , you can get admission in FMS delhi , but you have to study more for that , and you have to go through a personal interview also , so you need to be a good speaker , you need to gain more knowledge about the examination (CAT) , practise past papers , you need to clear cat , for getting admission in FMS.