Duddhi, Sonbhadra. In the district, due to the ever increasing cases of Corona virus, the invoicing of people without cutting masks was done in a mask checking campaign. Kotwali Pankaj Kumar Singh, in the wake of the ever increasing cases of corona virus, the police carried out a mask checking operation. Challans of people walking around without any masks were cut at all the major intersections of the city. During this time, the police invoked people like bike riders and truck drivers to invoke the mask compulsorily. He told that with this campaign people will not be able to roam without wearing masks. This frequent mask checking campaign will be run regularly.