The National Police Academy (NPA) trains officers of the Indian Police Service, who have been selected through the All-India Civil Services Examination. The trained officers will be posted as Assistant Superintendent of Police (ASP) in their respective states under whom the other sub-ranks of police force will be working. The recruitment of sub-ranks such as constables, sub-inspectors, inspectors, Deputy Superitendent of Police is each state's prerogative and will be done by respective state director generals of police. The IPS cadre is controlled by the Home Ministry of the Government of India and the officer of this service can only be appointed or removed by an order of the President of India.
Apart from the Basic Training Course for IPS officers the Academy conducts three In-service Management Development Programmes for officers of Superintendent of Police, Deputy Inspector General of Police and Inspector General levels of the Indian Police Service; 'Training of Trainers' Courses for the trainers of police training institutions in the country; IPS Induction Training Course for State Police Service Officers; and short specialised thematic courses, seminars and workshops on professional subjects for all levels of police officers. Foreign police officers and other officers belonging to IRS/IAS/IFS/Judiciary/CAPF, public sector undertakings, nationalised banks, insurance companies etc. also attend specialised courses conducted here from time to time. The academy is affiliated to Osmania University for conducting courses on police subjects for IPS officers.
The academy was established on 15 September 1948 and was named after India's former Deputy Prime Minister Sardar Vallabhbhai Patel who was the man responsible for creating the All India Services and for establishing a training institution to train IPS officers.