Abstract: Now a day’s due to global warming and climate changes there are challenging situation in field of coal mine. To reduce the cost and improve the productivity along with product quality the atomization in the field of coal mine is indeed necessary, which will also reduce the mine workers efforts. This paper proposes a design of a Wireless Sensor Network (WSN) with the help of Raspberry pi controller which is able to monitor the temperature, humidity, gas and status of smoke in an underground mine. This system also controls the ventilation demand to mine workers depending upon present climate conditions within the mine field. This system utilizes the low power, cost effective Raspberry pi a temperature sensor LM35, humidity sensor HR202, smoke detector, gas sensor, MEMS sensor for sensing the mine climate parameters and Wi-Fi for remote logging of data at central location to control the climate state with the help of motor and value control circuitry. Keywords: Raspberry pi, Gas Sensor, Humidity Sensor, LDR, Temperature Sensor, MEMS sensor , IoT.