The CBI has also registered a case against 20 unknown persons under criminal conspiracy, murder, attempt to murder & criminal intimidation.
The investigation of the accident involving the Unnao rape survivor, her lawyer and deceased aunts was handed over to the Central Bureau of Investigation on Tuesday.
This comes a day after the Uttar Pradesh government sent a formal request to the Centre for transferring the road accident case to the CBI following outrage over the accident.
Earlier on tuesday , the Uttar Pradesh police constituted a Special Investigation Team to probe the accident in which Unnao rape survivor and her lawyer were seriously injured and two of her aunts were killed.
The development came a day after an FIR containing the charge of murder was filed against Unnao MLA Kuldeep Singh Sengar and nine others in connection with the accident.
The accident took place on Sunday when the Unnao rape survivor was on her way to Rae Bareli.
Meanwhile, the condition of Unnao Rape survivor and her lawyer remains critical. both have been put on life support system in Lucknow’s King George medical college.