सुरक्षा श्रेणी

1.    SPG :  Special Protection Group Gaurds.

2.      Z+ :  Security cover of 55 Personal.
                 Including [10+ Commando]
                 +[ Police  Personnel ]

3.     Z   :  Security cover of 22 Personal.
                Including [4 or 5 NSG Commando]
                +[ Police  Personnel ]

4.    Y :   Security cover of 11 Personal.
               Including [1 or 2 Commando]
              +[ Police  Personnel ]


5.    X  :  Security cover of 5 or 2 Personal.
              [ NO Commando ]
              [Only Armed Police Personnel ]    


(source: wikipedia)