This book is the ultimate treatise for the Security professionals up to senior manager level. It has been aligned with Private Security Agencies (Regulation) Act-2005, Model Rules thereof, and National Occupation Standards for FOUR out of EIGHT Job Roles as identified Indian Sector Skill Council. These job roles comply with the NSQF guidelines, as such listed in National Qualification Register. These job roles are: - (a) MEPQ7101: Unarmed Security Guard (b) MEPQ7102: Armed Security Guard (c) MEPQ7103: Personal Security Officer (d) MEPQ7201: Security Supervisor Consolidation of the four job roles was possible due to many a common elements and Occupation Standards. The resultant product is economical and makes it suitable for the security staff employed in these four job roles. The book packs requisite knowledge and experience for Senior Managers/ Supervisors to manage/ supervise and mentor their staff, and Trainers to learn and train. The National Occupation Standards and legal aspects having a bearing on the private security sector have been the focus during development of its unique discourse. The book covers the training needs of approx. 75% of the personnel employed in Commercial and Industrial Security Sector. Performance Criteria and Knowledge Elements in the Qualification Pack and KLOs in Model Curriculums are global in nature, as such, as relevant globally, with exception of statutory aspects.