Sajjam is an android mobile app developed by jointly by ATREE-CERC and District disaster management authority, Alappuzha. Most of information in this app is sourced from the official webpage of KSDMA. Apart from that this app also provide additional information about district wise covid 19 cased with in the last 24 hours and vaccination status of kerala. This app also shows the daily forecast  of all the 14 districts of kerala and emergency contacts necessary during the phase of a disaster.