The First Census of Water Bodies M is a mobile app developed by National Informatics Centre for conducting the census of water bodies in both rural and urban areas. It is an Android OS exclusive app that captures the latitude, longitude, and photograph of each water body.

The app aims to identify and classify water bodies based on their type, including ponds, tanks, lakes, reservoirs, and water conservation structures. The app's interface is user-friendly, making it easy for users to navigate and capture the required data. The app is free to download and use, and it falls under the category of Utilities & Tools.