Accidental brain injury. Full recover.

My mother was accident before 2 yrs ago. After accident brain injury then operation was done after that right side parlysis. Dr said that she can not recover  dr also said she can't talk but after some months she cam speak after that physiotherapy done now she walk with the help of stick. But her hand movement not proper and not lift up above shoulder. She is 47 years old now. And she can not sit in surface without help. What treatment done for her. Any neurological treatment for recovery. Last Mri scan left frontal bone fracture depressed and diffuse cerebral atrophy. Large area of glisosis seen involving left frontopartial lobe. Small area of gliosis seen involving bilateral medial basifrontal lobes. This was last year report of mri scan. She can full recover.