B.Com

If you are preparing for IPS you can go graduation with Arts in BA. It was helpful in the exam of UPSC.

All professional courses like actuaries CS llb
post grad courses like mcom mba CFA
certificate courses like CFP

Sales and international bpo fetch good salary for bcom students

There are professional courses like CS ,CMA LLB
There is actuaries if you like insurance which has great scope
CFA is also there if interested in finance many mba students also try CFA since it has better scope than mba finance
There are also short term certification courses like Certified financial planner by ICFPI and Certified credit reasearch analyst by care
These certificate courses have less scope hence better to do after job

You can try doing internship which is good because it equivalent to work experience upto some extent You can try online for internships on sites like
Internshala.com
Letsintern.com
Twenty19.com
you can even apply individually to companies of your choice directly by email
You can join courses like advanced excel and tally if you havent learned it yet
It will be beneficial for job like accounting and other related jobs

Yes To get good college and survive in competition good scores matter in bcom
the eligibilty for full time mba is atleast 50% in graduation
and the entrance exam scores
They also look if they have work experience extra curricular and academic records
However they have low weightage
Main is your entrance exam score so that is most important and then comes graduation marks 12th marks 10th marks work experience and extra curricular activities