A man hits his neighbour next day he feels that police is behind him and his brain is being controlled by radio waves by his neighbour. The probable diagnosis is -: (A) Personality disorder, (B) Passivity feeling, (C) Delusion of persecution, (D) Organic brain syndrome
Answer is C. This patient has :-

Delusion of persecution (Police is behind him).
Delusion of control (His brain is being controlled by radio waves).