Mainly there are four types of security covers provided in India that is Z+,Z,Y,X. Then there is a force called as SPG special protection group, Which exclusively provide security to the President of India, Vice-President of India,Prime Minister of India and all the former Prime Ministers,Presidents and Vice-Presidents along with their families members.
For SPG cover security details are classified, Whereas for Z+ security 36 armed personnel are involved, For Z security 22 armed personnel are there whereas in Y type security cover 11 armed personnel are involved and in X type only two personnel are to cover for security.
Z+ Security – provided by the NSG commandos equipped with sophisticated MP5 guns, and modern communication gadgets. Each commando is an expert in martial arts and unarmed combat skills. At present, Z+ Security is extended to 17 VIPs
Z Security – provided by the ITBP or CRPF personnel and one escort car.
Y category – provided by 11 personal security officers (PSOs)
X category – is provided by Two PSO (personal security officer)
Which Individual or Profile will get which type of security this discussion is taken by the state government and Ministry of Home Affairs.