Petitioner is the first accused and first respondent the complainant in C.C.189/2005 on the file of Judicial First Class Magistrate-II, Aluva. Petitioner filed Annexure-III petition, at the defence stage to sent Annexure-II letter marked as Ext.P4 at the time of examination of first respondent, to an expert to compare the handwriting seen therein with the admitted handwriting of the petitioner. Under Annexure-IV order learned Magistrate closed the petition recording that the question whether opinion of an expert is necessary or not, will be considered along with the case later, if the court finds that decision of the expert is necessary. This petition is filed under Section 482 of Code of Criminal Procedure to quash Annexure-IV order contending that question whether Annexure-II letter was written by the petitioner or not is a very relevant and crucial fact which would tilt the decision of the case and for that