(Special Cell). Ranks and Hierarchy In 2015, Delhi Police under its Commissioner B.S. Bassi had 8 Special CP's, 20 Joint CP's and 15 Additional CP's followed by other sub-ordinates. The hierarchy in DP is as follows. Officers Commissioner of Police (CP) Special Commissioner of Police (Special CP) Joint Commissioner of Police (Joint CP) Additional Commissioner of Police (Additional CP) Deputy Commissioner of Police (DCP) {Selection Grade} Deputy Commissioner of Police (DCP) {Junior Administrative Grade} Additional Deputy Commissioner of Police (Additional DCP) Assistant Commissioner of Police (ACP) Sub-ordinates Inspector of Police Sub-Inspector of Police (SI) Assistant Sub-Inspector of Police (ASI) Head Constable Constable Home Guard Note: A Police district is headed by a DCP rank officer, while a Police station is headed by an SHO who is usually an Inspector of Police. Roles and Responsibilities Delhi is the capital of India and is the centre of wide range of political, cultural, social and economic activities. The Delhi police has to play a number of roles so far maintenance of law and order is concerned. The Delhi Police undertakes the following activities: Investigating crimes Controlling criminal activities Protection of citizens Control traffic problem The Delhi Police is considered to have the most advanced administrative system in India. It believes in the principle of 'Citizen First'. Traffic control is very important in order to avoid accidents and the Delhi police has taken several measures to control the traffic. VIP security by Delhi Police Out of a total Delhi police strength of 77,965, in 2016, over 20,000 personnel or over 25 percent, were assigned to secure VVIPs in Delhi. Delhi Police Commissioner Alok Kumar Verma, arguing that 20,000 police force earmarked for VIP security was inadequate pitched for increasing earmarked Delhi Police for VVIP security from 20,000 to 22, 500. Alok Kumar Verma said he will give the "utmost priority" to get government to sanction the increase in police deployment for VVIP duties. He is expected to play the Terror threat card to get the extra 2250 police personnel, citing Ministry of Home Affairs (MHA ), Intelligence Bureau, and Delhi police's special bureau threat assessments. The increase in Police strength for VVIP security will increase the deployment of police personnel per VIP from 17 to 19, and Police Deployment for VIP security from 25 percent to almost one third [28.8 percent] of its total strength. The demand for increasing Police strength for Securing Delhi's