B.A

You are eligible to do MA psychology from Delhi University, if you have scored more than 60% in graduation degree. You will have to appear for MA psychology entrance examination conducted by DU.
You can refer to following link for further details:
http://uic.du.ac.in/images/Department of Psychology (Faculty of Arts).pdf

You can do LLB after completing B.Com. Why you want to waste your 1 year?

To get admissions in law course, you minimum need 60% marks in your boards and a good score in CLAT. Other than PU, you should also apply to these colleges for more options and opportunities:
University, Bangalore (www.nls.ac.in)
WB National University of Juridical Sciences, Kolkata (www.nujs.edu)
NALSAR University of Law, Hyderabad (www.nalsarlawuniv.org)
National Law University, Jodhpur, (www.nlujodhpur.ac.in)
Campus law centre, Delhi (http://clc.du.ac.in/)
UPES, Dehradun (www.upes.ac.in)

Below mentioned are the best courses after BA in India:
1. MA.
2. MBA.
3. B.Ed.
4. LLB.
5. PGDM.
6. PG Diploma.
7. Hotel Management.
8. Certificate courses in journalism.
9. Mass media.
10. Event management.
11. Travel and Tourism.
12. Fashion and interior designing.
13. Animation and
14. Film studies.

To become an IAS officer, one needs to earn a Bachelor Degree and prepare smartly and extensively. BA Hons in subject of social sciences will do well.

According to me, if you are an arts student then go for BA and if you are a commerce student then go for B.Com. Apart from this there are lots of options like BBA, BCA and different vocational course.

Dear,
There is no comparison of the two fields because both having different market demand and challenges.
If you want to work in a bank or financial institution, opt for MBA after completing BA (Hons) in economics.
Following are the good colleges for pursuing MBA:
1. ISB, Hyderabad
2. Narsee Monjee, Mumbai

Can I know about your field of interest? I would be hard to suggest you a course without knowing your interest.

A lot of jobs are waiting for you. You can apply for the graduate level competition tests conducted by SSC, UPSC, etc. Graduation with 50% marks is the qualification required for civil services. Being a graduate, you are eligible for PO positions in banks. Also, graduates are considered for various positions under state government and these days computer diploma is useful to teach too.

You can pursue BA through distance or correspondence in which you have to take leaves only during exams which are conducted either yearly or in six months duration. In this way you can complete BA also and you need not to take leaves regularly.