Economics

It's totally entrance based exam. You should check their official website for it and cut off too.

Yes but usually most of universities and colleges have eligibility criteria you have to check eligibility criteria for every college or University.

No, MA is not necessary. You can apply for B.Ed after B.A economics but for assnt. professor, MA is necessary.

The cutoff is around 740 (general).

B.Sc. Economics is best option where you can do much better as B.A. You'll learn practical problems more than theory with Maths. But B.A. Economics with Maths stats and eco best combo for B.A. Also much better but package are different. Research both and find your area of interest where you want to go theory or not.

Yes you do it CA professional course allows it but usually students won't take another course because it's better or u can say more helpful and beneficial with commerce stream.

Yes you can do. Both are good usually students try for CAT as it has more scope you'll get admission in good college and can do better as compared to UPSC as it not easy in first attempt u have to work hard and hard for UPSC but CAT I can crack in one attempt too and business studies has wider range now a days.

Yes, you can do B.A. Economics without mathematics as compulsory subject in class 12. These are some of the du colleges from which you can do B.A. Economics without mathematics. Mathematics is not compulsory for B.A. Economics. You can pursue B.A. Economics if you have minimum 45-50 % in 12 th standard from a recognised Board. The average fee is around Rs. 20,000 to Rs. 60,000.

For general candidate there are around 185- 200 seats.

Actually the BA course in jnu is only available in foreign language in European languages,east asian languages and middle east languages.