Fire is a calamity that strikes without any warning and causes an unimaginable havoc. According to a survey conducted, 80% of the most damaging fires occur during night times, weekends or holidays when no one is around. Hence an automatic operation is the only solution for round-the-clock protection against any kind of fire. This fire extinguishers are simple and economical solution for buildings or structures where detection and suppression piped systems prove cumbersome and very expensive.