CBSE 12th

Hi Akshay,
The commerce field is one of the best, every changing, dynamic, exciting and lucrative field in the business arena. After 12th with commerce, there are various fields you can explore. However, completing your B.Com graduation is most important since a graduation degree in commerce opens the doors for admissions to a number of courses.
The most relevant courses after HSC Commerce which can be done alongside completing the commerce graduation are chartered accountancy, company secretaryship, cost accounting, chartered financial analyst.
After 12th commerce, you may also shift to BBA or BBM or BMS or hotel management for graduation degree. CA, CS, CWA, CFA are known as professionals courses which lead to specialized careers in accounting/taxation/finance, secretarial practice law, cost accounting, financial analysis respectively.
The CA, CS, CWA are statutory professions and job opportunities for these professionals are growing and are in plenty. CFA is a niche career course. If you opt for BBA / BBM / BMS, etc., then doing MBA after graduation will be a sort of easy to complete. However, if you do an MBA from a very good Institute your career will be growing and very flourishing.