It is important that to stress with space weather deeply concerned earth’s electromagnetic field always have had continue to have negative effect on health and immune systems of humans and animal. Extreme space weather events follow through Sun through Solar Corona inner HeliosphereMagnetospheric boundary into the ionosphere and atmosphere into Lithosphereand finally impact on man made structures and activitiessuch as space craftG.P.S. signals radio communications and electric power outage.Thus space weather eventhave substaintial impact on our technology dependent Society .such solar space weather event ocassionally observed through space weather station in space and ground based observation. Key Wards:- Extreme Space weather EventsCoronal Mass EjectionsGeomagnetic StromsCarrington Events Human and Technological impact