Answer: The penalty varies according to state and country regulations.
Explanation: Every Country/state has its laws. Depending on the state and country, the penalty for being involved in a motor vehicle accident that causes injury to another person while your driving privileges are suspended ranges from having your drivers driver's license revoked/suspended for a period of 1year to getting imprisoned in jail.
I would suggest you provide more information on the state and country to be able to ascertain the exact penalty.