•Jal Sanchayan is a user-friendly android mobile application comprises all components of rainwater harvesting in single platform•It al...

•Jal Sanchayan is a user-friendly android mobile application comprises all components of rainwater harvesting in single platform•It al...•Jal Sanchayan is a user-friendly android mobile application comprises all components of rainwater harvesting in single platform•It allows user to know from location conditions and interactive module enable user to calculate potential rainwater  to be harvested in user’s location•In addition, it also provide schematic designs, benefits and operation and maintenance aspects•It also provide contact information of authorities, agencies, technical institutions and grass root community organizations working the water sector