Most of the individuals spend more time indoor. Studies shows indoor air can be 2 to 5 times more polluted than outdoor. So it is extremely important to understand the the quality of indoor air & its effect on health, wellness & performance of an individual. There are many man made chemical pollutants & biological hazards in indoor environment. so treatment of indoor air with right technology is very important. In this presentation we are trying to explain what are the sick building syndromes & their effect on any individuals health & performance. Also, we have covered the different technologies that can be used in combination for optimum results.