Provided that no person so arrested shall be detained longer than is necessary for bringing him before a Magistrate unless an order of the Magistrate for his detention is obtained.

Power of District Superintendent to arrest a person on requisition from Commissioner.- On a written requisition from the Commissioner, the District Superintendent of Police shall order arrest of any person who obstructs any Corporation Officer or servant engaged in the discharge of any duty imposed by this Act or by any rules or byelaws made thereunder.