Taxable provisions for individual

Hi

one of my friend is a driver. he receives his income through driving in the MNC's carrying employees from office to home and vice versavand he has been deducted tax under 194 c at 1% on the amount. he has no other income. could you please let me know how the total income will be taxed? at the normal slab rate for individual or is there any provision for him under business income. I have tried section 44AE but is only ofr goods carraiges. pls advice

Regards

Badri