The Police force in the country is entrusted with the responsibility of maintenance of public order and prevention and detection of crimes. Public order and police being state subjects under the Constitution, police is maintained and controlled by States.
The Police force in State is headed by the Director General of Police/Inspector General of Police. State is divided into convenient territorial divisions called ranges and each police range is under the administrative control of a Deputy Inspector General of Police. A number of districts constitute the range. District police is further sub-divided into police divisions, circles and police-stations. Besides the civil police, states also maintain their own armed police and have separate intelligence Branches, crime branches, etc. Police set up in big cities like Delhi, Kolkata, Mumbai, Chennai, Bangaluru, Hyderabad, Ahmedabad, Nagpur, Pune, etc. is directly under a Commissioner of Police who enjoys magisterial powers. All senior police posts in various States are manned by the Indian Police Service (IPS) cadres, recruitment to which is made on All-India basis.
The Central Government maintains Central Police forces, Intelligence Bureau (IB), Central Bureau of Investigation (CBI), Institutions for training of police officers and forensic science institutions to assist the states in gathering intelligence, in maintaining law and order, in investigating special crime cases and in providing raining to the senior police officers of the State governments.
Source: National Portal Content Management Team, Reviewed on: 17-01-2011