Developmental disorder refers to the severe, chronic disability of an individual which is likely to continue indefinitely. There are different kinds of developmental disorders and ADHD is one of them.The abbreviated term ADHD denotes Attention Deficit Hyperactivity Disorder. It is a complex neurodevelopmental disorder that leads to hyperactivity in a child's behavior.Important PointsTypical Behaviours Associated with Children with ADHD:?Get distracted easily.Poorly sustained attention in all situations.difficulty in listening to or following directions. More active or restless than normal children.Difficulty in adhering to the rules and regulations.Impulsive, over-enthusiastic, and try to do several things at once.Diminished persistence in tasks not having immediate consequences.Effective classroom for including children with Attention Deficit Hyperactivity Disorder includes:Classroom in which teacher provides alternative ways of learning to keep them busy and motivated.Classroom in which teacher breaks tasks into small pieces so that ADHD students don't get frustrated.Classroom with flexible timetable and seating arrangement where students work on the task of their own interest.Classroom in which teacher includes physical activity in daily life to channelize their energy into creative works.Hence, from the above-mentioned points, it becomes clear that a class with a flexible timetable and seating arrangement where students work on the task of their own interest is effective for including children with Attention Deficit Hyperactivity Disorder (ADHD).