RTO India — Killed my relative with the car no: UP80EU 0057

My Uncle who is working in the vegitable market is comming back to home at around 7pm at that time only one vehicle with Number : UP80EU 0057 as per the record is registered with the name MRS.USHA RAJPUT has collide with my uncle bike and havely injured.
after some days my uncle could not bear the injuries and he dies. Please take the strict action aganist whom is driving the car at that day.