What is the 'Sachet' app, that PM Modi urged people to use?
During his 121st 'Mann Ki Baat' address, PM Narendra Modi urged people to use the 'Sachet' mobile app, saying that "alertness" is important to deal with natural disasters. The app, developed by National Disaster Management Authority, provides warnings from authorised government sources and authorities to warn the public of a possible disaster situation. It also provides weather updates from IMD.