Is it compulsory to get degree of Ba,b.com?
There are a number of Data Entry Service providers, The types of Data Entry job can be Accounting Data Entry, E-Commerce Data Entry, Product/Video Data Entry, Image Data Entry etc. There is no any specific qualification require for this profile. In order to become Data Entry Operator. Your typing skill should be good and well known in MS Office, Basic knowledge of office software, It can be vary on the nature of the job.
But for the future growth & career I would suggest you to complete your Graduation programme.
Good Luck!