Intellectual disability has lately been more common in the literature and is now often used to refer to people with significantly reduced cognitive functions. Play therapy has been well documented to be an effective treatment for children suffering from Behaviour problems. The present study is an attempt to facilitate intellectually disabled children diagnosed with Behavioural problems and Sub-types: Irritability, Lethargy, Stereotype, Hyperactivity, and Inappropriate speech with suitable intervention program. The findings revealed that Psychological interventions such as computer assisted games and play therapy exclusively outdoor games and indoor games were applied to reducing Behavioural problems and Sub types: Irritability, Lethargy, Stereotype and Hyperactivity.