There are eleven administrative or revenue districts in Delhi, India, all of which fall under the Delhi division. Each of these district is headed by a District Magistrate (DM) also called Deputy Commissioner (DC), who reports to the Divisional Commissioner who is ex-officio Director of Civil Defence, Inspector General of Stamps and Registration and Additional Chief Secretary/Principal Secretary/Secretary of Revenue Department of Delhi. These 11 districts are divided into 33 sub-divisions of Delhi, each headed by a Sub-Divisional Magistrate (SDM).