In a case against Public servant he shall be exempted___________. 

Section  81:  Exemption  from  arrest  and  personal  appearance. — In  a  suit  instituted  against  a  public officer in respect of any act purporting to be done by him in his official capacity — (a)  the  defendant  shall  not  be  liable  to  arrest  nor  his  property  to  attachment  otherwise  than  in execution  of  a  decree,  and,  (b)  where  the  Court  is  satisfied  that  the  defendant  cannot  absent himself from his duty without detriment to the public service, it shall exempt him from appearing in person.