Family as a Social Institution: A family can be defined as group of two or more people living in a household and connected to each other by blood or adoption or marriage. Family as social constitution serves to create and maintain the family life in correct ways which are considered good by a society. It is not an objective institution as it serves to give shape to feeling and emotions of family memberns in fundamental ways. Predominance of nuclear families: Smaller sized nuclear families indulge individualism in its members. These small families are supported by increasingly reducing sized homes and are easier to relocate. Further, small sized nuclear families can support the expensive education, medication and other services to their children in a much better way as compared to the large sized joint families. Existence and characteristics of family structures: Some of the common family structures with their characteristic features are as follows: 1: Nuclear family: The family with two generations i.e. parents and their children 2: Extended family: The family with three generations i.e. grandparents, parents and their children constitutes an extended family. 3: Single parent family: The family in which one parent and children are residing in same household is called as single parent family. 4: Reconstituted family: The family in which either or both of the parents have children from their previous marriage living together are called as reconstituted family. Characters of a family: A family is established by mating relation between man and woman through marriage institution. Marriage is foundation of family irrespetive of mating relationship without marriage. A family always resides in a common household wherein each family member has his own name. Hence, marriage, common household, nomenclature of family members, mode of interaction and communication and an economic provision are some of the characteristics of a family. Solution Family as a Social Institution: A family can be defined as group of two or more people living in a household and connected to each other by blood or adoption or marriage. Family as social constitution serves to create and maintain the family life in correct ways which are considered good by a society. It is not an objective institution as it serves to give shape to feeling and emotions of family memberns in fundamental ways. Predominance of nuclear families: Smaller sized nuclear families indulge individualism in its members. These small families are supported by increasingly reducing sized homes and are easier to relocate. Further, small sized nuclear families can support the expensive education, medication and other services to their children in a much better way as compared to the large sized joint families. Existence and characteristics of family structures: Some of the common family structures with their characteristic features are as follows: 1: Nuclear family: The family with two generations i.e. parents and t.