ABSTRACT A PARENTERAL CONTROLLED RELEASE COMPOSITION OF AN ATYPICAL ANTIPSYCHOTIC AGENT� The present invention relates to a parenteral controlled release composition comprising one or more atypical antipsychotic or their pharmaceutically acceptable salts, one or more rate controlling polymer, optionally one or more pharmaceutically acceptable excipients. The present invention also relates to the process of preparing such compositions. Furthermore, the present invention relates to the use of said composition for the prophylaxis or treatment of psychotic disorders.