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Agriculture is the main occupation in India. The inflation rate directly gets affected by the impact on agriculture and on the system involved in it. In agriculture also, the very beguiling issue is Irrigation in which a farmer frequently must check the water level on the farm and has to pump off and on irrespective of night time. Such issue can be resolved by replacing the old methods by new ones. This paper introduces a smart irrigation by designing a very flexible water pump using a soil moisture sensor and MQTT protocol along with Node MCU which is a microcontroller unit having wifi facility. MQTT protocol used to receive and transmit message from sensors which will provide the status of soil. And Node MCU -12E accordingly operate the water pump over web page or moile phones. MQTT protocol is very cost effective and simple technique applied to provide a smart irrigation.