Hi Vignesh,
Bcom is a three year full time graduation course divided into six semesters. It gives you understanding in Subjects like Taxation, Management, Finance and accounting.

Now coming to your question I will advise you to prepare for the certain courses which are mentioned below till your supply exams are over. You can prepare for these courses:-

1. MBA
2. Banking
3. Charted Accountant
4. Financial Modelling
5. CHarted Mangement Accountant
6. CFA
7. Govenment jobs
8. Digital Marketing

I will advise you to prepare for the field you're interested in.

Good luck:)