law: Code of Criminal Procedure Act, 1973
  
  233.Entering upon defense.-
  (1) Where the accused is not acquitted under
  
  section 232, he shall be called upon to enter on his defense and adduce any
  
  evidence he may have in support thereof.
  (2) If the accused puts in any written statement, the Judge shall file it with
  
  the record.
  (3) If the accused applies for the issue of any process for compelling the
  
  attendance of any witness or the production of any document or thing, the Judge
  
  shall issue such process unless he considers, for reasons to be recorded, that
  
  such application should be refused on the ground that it is made for the
  
  purpose of vexation or delay or for defeating the ends of justice.