Kallu a 24 year old occasional alcoholic had got a change in behaviour. He has become suspicious that people are trying to conspire against him, though his father states that there is no reason for his fears. He is getting hallucinations of voices commenting on his actions what is most probable diagnosis -
High-Yield Explanation
This patient has:-
The delusion of persecution (people are trying to conspire against him).
Third person hallucination (voices commenting on his action)
Third person hallucination is characteristic of schizophrenia.