Full Form of PSI with Video Explanation | PSI Full Form

PSI Full Form – The full form of PSI is Police Sub Inspector. It is a police rank that the British had introduced in India and other countries of South Asia. The PSI is incharge of a police station or different commanding outposts or assists his seniors while solving any case. He commands other lower ranked personnel such as constables, Head constables, etc.



According to the rules of Indian Police, a PSI is the lowest ranked Investigating Officer who is allowed to file a charge sheet in any of the courts. PSIs are recruited in service by qualifying the exam conducted by the Staff Selection Commission Central Police Organisation (SSC CPO). Once the candidates are selected, they are recruited as Assistant Sub Inspectors and after a few years of service are promoted as PSIs.

Apart from the Police organisations, the PSIs are also recruited in the other law enforcement agencies such as Motor Transport. Several paramilitary forces such as BSF, CISF, CBI, ITBP and CRPF also have this post.