B.Com Eligibility

Eligibility for B.Com in accounting and finance candidates seeking admission to the course need to have completed the 10+2 or equivalent level of education in the commerce stream with Accounts, Math and Economics as main subjects and a minimum aggregate score of 50%.

Eligibility criteria for B.Com:
Minimum 40% required in 12th. Aggregate of one language and three best elective subjects would be considered as best four subjects (BFS). Environmental Education (ISC), Fine Arts, Graphic Design, Painting, Dance, Music, Physical Education, Home Science, Engineering Drawing and all other vocational subjects are not considered as BFS.

Yes, you are eligible for B.Ed if not with best university but with the good one whose cut-off for B.Ed is atleast low.

Refer this link for details : https://www.shiksha.com/accounting-commerce/course/b-com-hons-deen-dayal-upadhyaya-college-dwarka-delhi-52487.

Eligibility Criteria for admission in B.Com candidate must have passed 10+2 from a recognized board.

Refer this link: https://www.shiksha.com/accounting-commerce/articles/top-colleges-of-du-for-bcom-blogId-16963.

Yes, chances are, you can get admission for B.Com. Make sure to check all the eligibility criteria and apply there. All the best.

Eligibility Criteria for admission is:
a) aggregate 60% minimum
b) English and Maths are compulsory subjects

According to your marks, you're eligible to take entrance exam of BHU but for Du you're not eligible.
Good luck!