The
Central Industrial Security Force (
CISF) is a federal police organisation in India under the Ministry of Home Affairs. It is one among the Central Armed Police Forces (CAPF). CISF provides security to over 356 industrial units, government infrastructure projects and facilities and establishments located all over India. These include atomic power plants, space installations, mines, oil fields and refineries, major ports, heavy engineering, steel plants, barrages, fertiliser units, airports and hydroelectric/thermal power plants owned and controlled by Central Public Sector Undertakings (PSUs), and currency note presses.