DPS, GBN got an opportunity to get the PCI NEXT tests done in the school campus on December 15 and 16, 2018. Sharp is one of the largest manufacturers of Air Purifiers in the world and also among the market leaders in India. They have a patented Technology called the Plasma-cluster Ioniser, which is used in their product. These IONS are present in nature and act as natural air purifiers. These ions deactivate various types of bacteria, viruses, mould, fungus etc.