চাঈ সিক্যূরিটী সর্বিসেস  

They provide security services including security systems and security gaurds for commercial and corporate purposes. They can provide protection against theft, vandalism, pilferage, fire and other anti-social elements with utmost care and sincerity. Sai Security Services is managed by a group of retired defence professionals from army, navy and air force who are backed by rich experience in the field of security. It is a member of International Institute of Safety and Security Management (IISSM), Central Association of Private Security Industry (CAPSI) and other organizations in the field of security.