B.Com

No, for doing B.Com, you must have passed class 12th in commerce.

Hi,
Yes, you can easily pursue MCA after B.Com.
Good luck.

Hi!
You need to have at least 50% marks.

Hi,
You can refer to this link:
http://www.nirmauni.ac.in/ICNU/AdmissionDetailsBCOM

Dear Prajwal, Greeting from AIMS Institutes. The eligibility criteria is Pass in PUC of Karnataka State/ 10 + 2 /Higher Secondary or equivalent of any recognized Board / Council in any discipline and students with good written & communication skills are preferred. For any query, you can mail us on admission@theaims.ac.in.With best wishes, AIMS, Peenya.

You are an interesting stage of your education. Before you decide what you need to do you need to introspect and decide on what are your interest areas and what are your long term career goals & aspirations. Your next step will be based on these decisions of yours. Having said this a B.Com graduate could explore any of the following keeping in mid his interests/ career objectives:
M.Com
MBA
CA
CS
ICWA
LLB
Applied arts
Performing arts
Skill based certification courses, etc.

Top B.Com colleges in Ahmedabad
Gujarat University
Ahmedabad University
GLS University
Top B.Com colleges in Pune
Savitribai Phule Pune University - [SPPU], Pune
Bharati Vidyapeeth University - [BVU], Pune
Karnataka State Open University - [KSOU], MysoreSant Gadge Baba Amravati University - [SGBAU], Amravati Symbiosis International University - [SIU], Pune

Top B.Com (Hons) Colleges in Delhi:
Shri Ram College of Commerce (SRCC), Delhi
Lady Shri Ram College, Delhi
Hindu College, Delhi
Hans Raj College, Delhi
Ramjas
Gargi
GGSIPU
Motilal College
Kirori Mal

These are the choices to choose after graduation:
Masters of Commerce (M.Com)
Masters of Business Administration (MBA in Finance)
Certified Public Accounting (CPA)
Association of Chartered Certified Accountants (ACCA)
Business Accounting and Taxation (BAT)