This chapter provides detail description of Tuberculosis meningitis. Chapter has 1 well illustrated diagram. Tuberculous meningitis, aetiopathogenesis of tuberculous meningitis, early diagnosis of tuberculous meningitis, laboratory investigations of tuberculous meningitis, late diagnosis and complications of tuberculous meningitis, hydrocephalus, sequelae of tuberculous meningitis, optochiasmalarachnoiditis and tuberculous spinal arachnoiditis are given in detail. 165 references are included at the end of the chapter to facilitate further reading.