The National Disaster Management Authority (NDMA), headed by the Prime Minister of India, is the apex body for Disaster Management in India. Setting up of NDMA and the creation of an enabling environment for institutional mechanisms at the State and District levels is mandated by the Disaster Management Act, 2005. NDMA is mandated to lay down the policies, plans and guidelines for Disaster Management. Sachet National Disaster Alert Portal is the 1st and only portal across India to publish official warnings for all disasters from authorized sources.It's a pan-India based Disaster Portal implemented by NDMA (National Disaster Management Authority), and is part of CAP (Common Alerting Protocol) project implemented in India. The portal acts as alert dissemination media for the common people before, during & after any disaster. It disseminates area-specific alerts to Indian Citizens from ... N-Nitrosodimethylamine (NDMA), also known as dimethylnitrosamine (DMN), is an organic compound with the formula (CH 3) 2 NNO. It is one of the simplest members of a large class of nitrosamines. It is a volatile yellow oil. NDMA has attracted wide attention as being highly hepatotoxic and a known carcinogen in laboratory animals. [2] NDMA is a government agency that lays down policies, plans and guidelines for disaster management in India. It also provides information on related topics such as citizenship, visa, internal security, Jammu and Kashmir, and narcotics.