Local civic body Bruhat Bengaluru Mahanagara Palike has launched a mobile app for residents living in containment zones. BBMP Contains will help address all grievances at the click of a button. Users can upload photos or videos and raise complaints against those who violate the norms. The app can also be used for essential services like electricity, a health-related emergency or waste collection. According to authorities, the problems will be addressed within three hours. The app will initially be launched on a pilot basis in one zone from April 28th, and will be rolled out for use across the city in the next three days.