It is not a specified profession as per section 44AA, hence it cannot be shown as professional service under section 44ADA. You can consider it as a business and show it under section 44AD. If salary is received then can show it under Salaries.
It seems that the nature of service being a driver is full time basis i.e primary source of income. Hence it is advisable to show it as a business instead of IFOS.
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