Normal developmental process of human body is characterized by physical, psychological, mental, cognitive and behavioral changes. The development processes not only requires specific nutritional interventions but are also characterized by very specific growth changes (Berk, & Churchill, 1996).
Jean Piaget, biologist and psychologist developed different stages of intellectual, cognitive and behavioral development from infant to adult age. This development stages are established on the basis of behavioral, cognitive and intelligence changes that are observed during these ages. These stages are named as Piaget Stages of Development which mainly comprise of four main stages namely Sensorimotor, preoperational, Concrete and formal operational…