A 30 year old man since 2 months suspects that his wife is having an affair with his boss. He thinks his friend is also involved from abroad and is providing technology support.He thinks people talk ill about him.His friend tried to convince him but he is not convinced at all.Otherwise he is normal,he does not have any thought disorder or any other inappropriate behavior.The most likely diagnosis is:

A 30 year old man since 2 months suspects that his wife is having an a

1.	A 30 year old man since 2 months suspects that his wife is having an affair with his boss. He thinks his friend is also involved from abroad and is providing technology support.He thinks people talk ill about him.His friend tried to convince him but he is not convinced at all.Otherwise he is normal,he does not have any thought disorder or any other inappropriate behavior.The most likely diagnosis is:
A.	Persistent delusion disorder
B.	Paranoid Personality disorder
C.	Acute and Transient psychosis
D.	Schizophrenia
Answer» B. Paranoid Personality disorder