Dear Mega, the notification says that you should possess minimum general educational qualification which is must have passed SSLC or its equivalent. That is the minimum educational qualification. So with a B.Com degree you can certainly write TPSC.

Hello mega
Yes, you can write TNPSC group I exam after finishing B.Com in correspondence on the condition you satisfy following eligibility criteria required to apply for the exam . -The candidate should have completed graduation degree in relevant discipline from a recognized university. -Final year appearing candidate can also apply for the Preliminary Examination . -The qualification prescribed for Group I exam should have been obtained by passing the required qualification in the order of studies 10th + HSC (or its equivalent)+ U.G. degree. -The candidate age limit should be in between 21 years to 31 years.There will be relaxation in upper age limit for OBC candidates by 3 years and 5 years for SC/ST candidates. -The selection of candidate is made on the basis of performance in written test and interview.