OpenStreetMap is a great source of open data .It is more helpful and informative from any other online Map.In this MAP we get specific data. It is very helpful for the people .By this map anyone can get information about his queries.It is also helpful for the organizations who helps the vulnerable people. In this map we get the information about vulnerable area, way of passing, important point, water point etc. that is necessary for any kind of search & rescue and relief operation in disaster.In this map data is free so its usability is granted for everyone.it is easy to upload information in this map so anyone can contribute information. Osm data is helpful for VCA. By using this data different NGO, Government, International organization can continue their relief operation.It is also helpful for research work. After all we can say that osm data is very helpful for people for society as well as country.

Manjurul Islam