This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Treatment, Subject name: Psychiatry
Best indication for ECT is: 
Select and explain. 
A. Depression with suicidal tendencies, B. Mania, C. Hysteria, D. Schizophrenia
A: Depression with suicidal tendencies
Answer: A: Depression with suicidal tendencies 
Explanation: A ref: Ahuja, 4th/ep. 71-184 and 5th/e p. 205