Iron deficiency anemia is one of the serious public health problem in India especially in the younger children.Iron deficiency anemia (IDA) is the most common malnutritional deficiency. Worldwide affecting approximately a quarter of the global population and particularly widespread in developing countries. The prevelance of IDA in children ranges about 35%-45%. Iron deficiency anemia affects all the system in the body including growth and cognitive functions. Hence supplementation should be given at right age to reverse the changes.