B.COM A&F stands for Bachelor of Commerce with specialization in Accounting and Finance.B.Com in Accounting and Finance focuses on the study of art of recording, classifying and also various operations concerning the fields of accounting and financial operations whereas B.COM (H) focuses more on cost accounting, organizational behavior, etc.

BCom Hons. means you're specializing in a particular area say, Accounting & Finance or Marketing or Taxation etc.BCom Accounting & Finance is one of the core areas to be taken as a specialization for under graduates.