Child development and child welfare is a pre-condition of social development because, 1. The progress of any nation depends on the overall development of the children. 2. When children are protected, looked after and educated, they will become good citizens and will contribute to the well-being of the family progress of society and development of the nation. 3. Children are the property of the nation. Their upbringing and development needs proper care by the family and society for the future, of the nation.