Accident case against my father Sections put 279 and 337 IPC

Sir/Madam, My father met with an accident in june 2016, A two wheeler came and hit my father while he was riding on his two wheeler. My father arm is grievously injured and opposite party suffered minor bruises. Other party was drunk as well (which is not mentioned in FIR). My father was taken to other city hospital as it was a very serious damage in an ambulance immediately after first aid at local govt hospital (where MLC is noted). Dad was operated and admitted for 3 days. By this time, the person who hit us has filed a complaint and police has made an FIR too. Police did not contact us for my father's statement. Complaint and FIR says, my father has driving rash and hit him by going in wrong side, now police has made a charge sheet with 279 and 337 ipc. 1. The person who has hit my father does not have a driving licence. 2. My father has a driving licence but it is expired. 3. and there is no third party insurance to my father vehicle. Please guide me on what will be the outcome of this case. The person who hit my father does not have driving licence and he himself was driving. Please guide me.