We provide Tender Bidding Support for Custom Bid For Services - Preventive maintenance includes compulsory 12 Visits in a year (1 Visit per Month) to the site. The operations should be performed during preventive on-site maintenance undertaken once a every month; i.e. All CCTV Cameras Visibility Test, Cleaning of CCTV Camera Lens Outline, Surveillance System Recording Test, Surveillance System Setting Verification, Surveillance Hard Drive Error Check, Voltage check of SMPS power supply, and also identify the malfunctioning, surveillance items to provide guidance on what needs to be done.etc