This knowledge is the information base for the society. Codified in the language of the society, it facilitates communication and decision making. Indigenous knowledge is dynamic, it changes through indigenous creativity innovativeness as well as through contact with other knowledge system.
Indigenous knowledge is passed down from generation to generation usually by word of mouth.
Today because of its oral tradition, as well as the introduction of new technologies, the preservation of indigenous knowledge is at risk unless it is documented. Being inspired by the uniqueness of the indigenous knowledge, the author tempted very much to collect some of the indigenous practices prevailing among the tribals of Santal tribe in Mayurbhanj District of Orissa, relating to child care practices because of the following considerations. Parents the world over are interested in the well-being of their children. Almost every phase of family living affects the child. Child care must be considered as an important part of total programme for improved living .