After B.Com. many options are available like:
1] If you want to make ur career in the field of accounts & finance,you can join a vocational course CPCA[Certified Professional Computer Accountant]course from NIFA,which is a 12 months course & after completion you will get an entry level job in accounts & finance.Companies like Infosys,Genpact,SKS Microfinance,Basix,banks[private]NBFCs can be your gateway to the career.
2]You can prepare for CPT/CS entrance.
3]You can also do MBA in finance.
4]You can also go for CFA.
B.Com.has so many opportunities in the field of accounts & finance & their are ample opportunities in the field of accounts & finance.