Yes, you may pursue Advanced Diploma in Computer Application with or after B.Com Hons. You will get good job prospects with the Finance, Taxation, Commercial and Insurance Firms. However, if youre seriously interested in getting deep with Computer Applications and the Service and IT, you may perhaps pursue MCA, after B.Com Hons.

For more information about courses after BCom do follow the link below

https://finance.careers360.com/articles/courses-after-b-com