"NeelBhasmi", developed at RRCAT, Indore, is an Ultraviolet C (UVC) radiation based mobile system intended for remotely sterilizing the air as well as the surfaces of various objects inside a room at research centers, hospitals, doctors' offices, or any other places of work. It is equipped with eight lamps which emit UVC radiation that kills bacteria and viruses by destroying the molecular bonds that hold their DNA (or RNA) together. The device is capable of sterilizing surfaces kept within one meter distance from the tower in about 5 minutes. For sterilizing a room with a floor area of 10 square meter it will take about 45 minutes.

02 NeelBhasmi


The efficacy of NeelBhasmi in inactivating SARS-Cov-2 (the virus responsible for COVID-19) with the use of UV-C radiation is not yet established. In fact, there is no published report worldwide, as on date, on quantitative dose requirement of UV-C to deactivate SARS-CoV-2. However, efficacy of UV-C light in causing high level of inactivation (~99.9%) of other coronaviruses including two of the near-relatives of SARS-CoV-2, namely, MERSCoV and SARS-CoV-1 is well established. It is pertinent to mention here that the International Ultraviolet Association (IUVA) also conforms to this view and advocates the use of UV-C for inactivating SARS-CoV-2#.

#This is also supported by the recent observation of the researchers at Columbia University, USA (