<prompt> Babloo a 4-year male presents with a history of seizures. On examination, there are hypopigmented patches on face mental retardation. Most probable diagnosis is -NeurofibromatosisTuberous sclerosisSturge weber syndromeIncontinentia pigmenti  <response>: Ans-BTuberous sclerosisSeizures, mental retardation and hypopigmented patches on the face Ash - leaf spot suggest the diagnosis of tuberous sclerosis. 