The Central Industrial Security Force(CISF) is a unit of Ministry of Home Affair, Government of India. CISF came into existence in 1969 to provide integrated security cover to certain sensitive public sector undertakings with a strength of only three battalions. The force has since grown into a premier multi-skilled organization with a present strength of 1,63,590 personnel. The CISF at present provides security cover to 353 establishments through the length and breadth of the country. The CISF also has its own Fire Wing which provides services to Call Number 104 of the above establishments. It deals in critical infra of the country like nuclear installations, space establishments, airports, seaports, power plants etc.