EXPLOSION PROOF, FLAME PROOF CLOSED CIRCUIT TELEVISION SYSTEMS (CCTV SYSTEMS) FOR REFINERIES, PETROCHEMICAL PLANTS, COAL MINES, OIL MINES, CHEMICAL & PHARMACEUTICAL PLANTS, DEFENSE ESTABLISHMENTS. Closed Circuit Television Systems, popularly known as CCTV systems are widely used in almost all the industries for various purposes. These CCTV systems are common in nature as far as their installation is concerned except in potentially Hazardous Areas. It has proved beyond doubt that the CCTV systems play vital role in the safety, process control, overall supervision, watch & ward etc; and as per any individual's intention or purpose.