India stepped up its airport security after the 1999 Kandahar hijacking . The Central Industrial Security Force , a paramilitary organisation , is in charge of airport security under the regulatory framework of the Bureau of Civil Aviation Security ( Ministry of Civil Aviation ) . CISF formed an Airport Security Group to protect Indian airports . Every airport has now been given an APSU ( Airport Security Unit ) , a trained unit to counter unlawful interference with civil aviation . Apart from the CISF , every domestic airline has a security group who looks after the aircraft security
Kandahar hijacking
Indian Airlines Flight 814
Airport security