This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Babloo a 4 year male presents with history of seizures. On examination there is hypopigmented patches on face & mental retardation. Most probable diagnosis is: 
Select and explain. 
A. Neurofibromatosis, B. Tuberous sclerosis, C. Sturge Weber Syndrome, D. Incontinenta Pigmenti
B: Tuberous sclerosis
Answer: B: Tuberous sclerosis 
Explanation: B i.e. Tuberous sclerosis