1. Dr. D Haranath, an Associate Professor with the Department of Physics, National Institute of Technology (NIT), Warangal, along with research scholar P Chandar Rao developed a multi-purpose, chemical-free and eco-friendly sterilization system named ‘OzoNIT’. 2. Using this device, one can easily disinfect vegetables, fruits, packed food, milk packets, masks, clothes, wallet, currency notes, watches, cell phones, ornaments, shoes, handbags, newspaper, parcels, etc. 3. With a click of a button, the device produces 500 mg of ozone gas in an hour from ambient air. Exposure of these articles under ozone gas for about 25 minutes will kill bacteria up to 99.99 percent without the use of any sterilizing chemicals. 4. The device consumes only 15 watts of power to run it for about half an hour.