The team collected broken glasses, examined the paints on the surface of the truck with which Abhishek Banerjee's car collided while returning to Kolkata after a public meeting in Murshidabad district.
Police today registered attempt to murder and conspiracy case against unknown persons in connection with the mishap involving Banerjee, the All India Trinamool Youth Congress president.
Sections under the Highways Act were also added in the case, a senior officer of the CID said.
Sources in the CID said reconstruction of the entire incident would be done to evaluate "who was responsible for the mishap".
The Chief Minister visited the nursing home, where Abhishek is under going treatment, towards the afternoon.
(Reopens CAL9)
According to the medical bulletin of Abhishek Banerjee, issued in the evening, the MRI report confirmed "orbital floor fracture".
At present the MP is under strict observation of the 14-member medical board. Any decision on surgical intervention will be made as soon as the acute swellings subside.
