18. (1) A Family Court may issue summons to any person to appear and give evidence, or to produce or cause the production of any document: Provided that-(a) no person who is exempt from personal appearance in a Court under section 133(1) of the Code, shall be required to appear in person;(b) a Family Court may refuse to summon a witness or to enforce a summons already issued against a witness when, in the opinion of the Court, the attendance of the witness cannot be procured without such delay, expense or inconvenience as in the circumstances would be unreasonable. (2) If any person to whom a Family Court has issued summons to appear and give evidence or to cause the production of any document before it wilfully disobeys such summons, the Court may take cognizance of such disobedience, and after giving such person an opportunity to explain, sentence him to a fine not exceeding one hundred taka.