M.Com

You should check out the following link:
https://www.shiksha.com/accounting-commerce/course/m-com-school-of-open-learning-moti-bagh-delhi-259307

The admission to B.Ed is through the entrance exam conducted by the states and institutions for the intake of students.

Kindly follow the link:
https://www.shiksha.com/accounting-commerce/course/master-of-commerce-m-com-mount-carmel-college-mcc-bangalore-palace-road-72305

Yes, you can. But you have to get approval from both the universities/ colleges before doing that. Once you get approval, you can place an official request with both the colleges.

Okay you can but it's not easy. First of all you cannot change your level of education. I. e - from Bachelor's to Masters. Or Masters to Ph.D. If you are studying Masters in subject A, you have to study Masters in subject AAT the other university. You have to get approval from both the universities.

Hello Dear
It depends on your interest, your aim and what you want to be in future, either a teacher or a professor.

Yes, you are eligible for getting a good job after it.

If you want to settle abroad in teaching profession, than you should do B.Ed through regular mode and M.Com through distance mode because through that you would get knowledge, skills and practical experience related to teaching.

Shri Ram College of Commerce is better than Delhi School of Economics with a tiny margin because getting in SRCC is more difficult than DSE. What makes SRCC more prestigious? Although, it is affiliated to the University of Delhi granting undergraduate and postgraduate degrees, but you would be shocked to know that it was established in 1926, much before than Delhi School of Economics.* (Delhi School of Economics was established in 1949)If an institution is so old that means it has something special which attracted students for so many years.