In the following questions, a sentence is divided into four parts. Choose the part(s)  of the sentence which may contain a grammatical error in it. If all the parts of the sentence are grammatically correct and contextually meaningful, choose option (e)
i.e. “no error” as your answer choice. While the lanes branching in from the Charminar are officially designated as pedestrian zones, (a) handcarts, auto-rickshaws, and scooters operated with shopkeepers and even (b) law enforcement personnel continues to clutter the streets. The volume of kiosks, (c) both movable and fixed, has surged, rendering the stretch nearly impassable. (d)