Brain injury is an umbrella term in which there is an insult to the brain and its vital structures either through direct external injuries where fall, road traffic accidents, sports injuries assaults cause injury to grey or white matter of the brain. Or there is a secondary injury to the brain post-infectious disorders, inflammatory disorders, and autoimmune disorders. A head injury might cause loss of motor control, sensory control, poor balance, and coordination. Cognitive activity, specifical metacognition, is highly affected, causing a lack of self-awareness of actions in patients with persistent long-term symptoms. Head injury in a young adult causes long-term difficulties in learning, memory problems abstract thinking, which causes massive difficulty in their learning performance in the later stage of life. Metacognitive strategy learning and cognitive rehabilitation in the later stage of brain injury improve the learning capabilities and abstract thinking and help them improve their self-awareness and thinking capabilities. Key message: Metacognition strategy training along with cognitive rehabilitation therapy improves the learning disability and abstract thinking in young adult with brain injury. Keywords: Metacognition, Strategy training, Head injury, Memory, Cognition rehabilitation, learning disability.