The most damaging fires usually occur in unoccupied areas or at times when no person is around-night time and holidays. Moreover in a big plant, it is not possible to keep an eye at all places all the time. Therefore, an automatic installation is the only answer to round the clock fire protection. Moreover, modular system is simple to erect without involving costly andunsightly pipe work. Automatic fire extinguishers can be provided with powder and gas based extinguishing agents. Multi purpose ABC powder based extinguisher is the answer to the safety of godowns having combustible materials whereas gas based extinguisher is required for server rooms, electrical panel rooms,etc.