According to police sources, the medical report of Prakash states that the IAS had suffered injuries.
The report states that there are cut marks and swelling on and near Prakash's face.
On Tuesday, the Chief Secretary lodged a police complaint and alleged that he was manhandled at Chief Minister Arvind Kejriwal's residence by AAP lawmakers.
The Delhi Police has arrested two AAP MLA Amanatullah Khan and Prakash Jarwal in the matter till now.
"MLA Prakash Jarwal has been arrested. In the initial stage of the investigation, we don't plan to question Arvind Kejriwal. We spoke to Chief Minister advisor VK Jain since he was present when the incident took place," Additional DCP, North, Harendra Singh told ANI.
However, the AAP has refuted the allegations levelled by the Delhi Chief Secretary and said that the latter has no proof to back his accusation.
Speaking to media, AAP leader Sanjay Singh said, "Number of false allegations have been levelled against us." (ANI)