Security patrol is carried out meticulously with aim. It is necessary for security personnel to understand the objectives of patrol.

Objectives of security patrol :

Surveillance is a careful observation of a person, group, place, vehicle or a thing, undertaken in a secretive manner.

Surveillance is valuable investigative tool that can provide information about the activities and identities of individuals. To carry out a successful surveillance security personnel must be alert, discreet and cautious. Surveillance requires great patience, versatility, careful observation skills and a good memory.