Transcranial Magnetic Stimulation ( rTMS ) add-on therapy to Standard treatment in Multiple sclerosis Patients with Depression Symptoms

INTERVENTION: Intervention 1: Intervention group: 10 session of 20 minute of trans cranial direct current stimulation by 2 ma. Intervention 2: Control group: 10 inactive session of 20 minutes by the same deviceCategoryOther. CONDITION: Multiple Sclerosis. ; Demyelinating diseases of the central nervous system PRIMARY OUTCOME: Cognitive Assessment. Timepoint: before and after 10 sessions of intervention. Method of measurement: Montreal Cognitive Assessment. Depression rate. Timepoint: before and after 10 sessions of intervention. Method of measurement: Montgomery‐Asberg Depression Rating Scale (MADRS). Expanded Disability Status Scale. Timepoint: before and after 10 sessions of intervention. Method of measurement: Expanded Disability Status Scale. Fatigue severity test. Timepoint: before and after 10 sessions of intervention. Method of measurement: Fatigue Severity Scale. INCLUSION CRITERIA: Satisfaction to participate in the study Patient with multiple sclerosis of any type and with moderate and high depression Not receive repeated transcranial magnetic stimulation and electroconvulsive therapy in the past two months