The Centre has imposed 10 per cent basic customs duty on cellular mobile phones. This levy will be applicable from July 1.This will also be applicable on specified parts of cellular mobile phones including the charger, battery wire headset, microphone and receiver, keypad and USB cable.The present exemption from basic customs duty on specified parts of mobiles namely Printed Circuit Board Assembly (PCBA), camera module, connectors display assembly, touch panel/ cover glass assembly, vibrator motor/ ringer will continue, an official release said.