According to police, two of their personnel who were travelling in the vehicle were also injured in the incident which occurred last evening as the chief minister was going to Delhi from Chandigarh.
The vehicle in the convoy turned turtle as its driver tried to avoid hitting the pedestrian, who is yet to be identified, police said.
The convoy halted at the spot and the chief minister gave instructions for dealing with the emergency before continuing with the onward journey, police said, adding that the injured policemen have been hospitalised.