Security Guards skill category depends on their nature of job. Someone only responsible for opening and closing the gate may be in un skilled category. Someone responsible to maintain the visitors register, records of weighing machines, loading & unloading activities, allotment of Co's car etc. may be semi-skilled in nature. Security Supervisor who is responsible for overall security of the organization may be skilled/highly skilled category.
S K Bandyopadhyay ( WB, Howrah)