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: Psychiatry
ECT is indicated in - 
Select and explain. 
A. Neurotic depression, B. Auditory hallucination, C. Schizophrenia, D. Delusional depression
D: Delusional depression
Answer: D: Delusional depression 
Explanation: ECT is given in severe depression with psychotic symptoms (e.g. delusion).