Hello Vaishnavi !!!
There are various ample of opportunities after doing b.com to give a better structure to your career.
After doing b.com you can choose various the options like -

1. M.com (masters of commerce)-
It is a post graduation degree where you can choose various fields like accounts, economics and many more. There are various well reputed colleges from where you can pursue your masters. After doing this you can become a full time accountant in any company.
2. CA (Chartered accountant)-
CA is one of the reputed courses where you can find your career.It is a professional course which is conducted by ICAI and it mainly takes 5 years to complete or less than that as per the students intelligence.
It is conducted in 3 stages foundation, executive and final with 3 years of articleship. It has wider scope and they are required in various companies.
3. CS (Company Secretary)-
It is an another professional course like CA that is conducted by ICSI. It is easier than CA which also includes 3 stages same as CA but with different syllabus and 15 months of training. It also has various opportunities in big MNCs, corporate sector etc.
4. MBA( Masters in Business Administration)-
It is also a professional management courses or it is also a post graduation degree in management. It includes various fields like finance, marketing, hr, hospitality and many more. It is a 2 years post graduate course in which the selection in all colleges whether government or private is done on the basis of cat or mat scores, group discussion and personal interview. It also includes various opportunity  especially in private banks as officers and managers, corporate sector, MNCs and many more.
5. CMA( Charted Management Accountant)
It is also a professional course which is conducted by IMA in management accounting and financial accounting fields. The person possess knowledge in the field of financial planning, analysis, cost control and many other work. They are required in every type of organisation like manufacturing, trading, non profit, public and private enterprises and many more.

I hope this piece of information will be beneficial for you.

Hi there,

You have several options to choose from after your graduation, you can either take up a job or you can decide to study further and if you decide to study further then also you have a lot of options, you can either get an Mcom, MBA or do CA,CS etc . It is upto you on deciding as to where your interest lies and what is your long term career goal based on that you should decide as to what to choose after your graduation, you have to find your own true calling.