<prompt> Most common of all psychiatric disorders are -Anxiety disorderSchizophreniaDepressionMania  <response>: Ans. is a i.e., Anxiety disorder o Anxiety disorders are the most common of all psychiatric illnesses. According to DSM-IV-TR following are anxiety disorder :-Panic disorder with or without agoraphobia.Agoraphobia with or without panic disorder.Specific phobia.Social phobia.Obsessive - compulsive disorder.Post traumatic stress disorder.Generalized anxiety disorder. 