So, if we are to recognize the entire city to be a living entity, just like a smart human being, a smart city would also require constant monitoring of its health. Just like a human being using a smart band or a smart watch to sense his/her vital parameters such as temperature, blood pressure, glucose, heart rate, lipid profile, Vitamins etc. the smart city may also require several thousand sensors installed in its arteries and touch points to sense its vital organs.