Parent child relationship affects the adjustment ability or rather intellectual development of the child, to a great extent. During his or her early years the child learns many things from his parents. In fact, his or her life begins with his or her parents, during the earlier period of life; he or she is fully dependent on them for all their needs. How the child will fare in the future depends on the pattern of parent's behaviour, if mother had shown love much more than what was required and the father has shown indifferent towards the child, then his personality need for achievement and mental ability will develop in one way. If both mother and father have showered excessive love or both has shown indifference, then his or her personality need for achievement and mental ability will develop in one way. If both mother and father have showered excessive love or both have shown indifference, then his personality will develop in another way. In fact, parent's balanced behaviour is of utmost important for the healthy growth of child.

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Keywords: Family Environment, Parent Child Relationship, Intellectual Development, Mental Ability.