While pursuing a course in the field of commerce, one acquires the knowledge of business or trade, nature and fluctuations in market, basics of economics, fiscal policies, industrial policies etc. The concept of commerce consists of a wide range of interdisciplinary branches including Accountancy, Business Administration, E-Commerce, Finance,Secretarial practice, Economics and Marketing.
After completing course in the field of commerce, a student can join any private or government organization as a specialist in any of the streams of commerce, such as economics, accountancy or work as management executive, accounts executive, junior accountant or pursue a career in auditing or banking.
You would need to pursue a graduation B.com or BBI (banking and insurance) or BFM(financial markets) or BAF (accounts and finance). You can then team it up with a specialization.
Its advisable that you log on to http://www.youngbuzz.com/careers/career-options you will get to know all the various careers with the details like career map,career scope,remuneration,benefits etc.
Hope this helps.