Soil Sathi is a lightweight, battery operated, soil and water analyser (for fields / fisheries / orchards), connected to a remote agriculture advisory cloud. It is designed based on state of the art IOT, machine learning and cloud technology. It is capable of analysing 25 parameters and provide recommendation at site. It can be operated with simple knowledge of operating a mobile phone. The recommendation can be customized for your specific needs and be made available in Indian languages. Additionally, the device is connected to the weather information and can generate soil map. The device can reduce input cost by 30% and foster real time advice to large number of the farmers.