Pars judisis means the duty of a judge. Every judge shall bear in mind a solemn duty for dispensation of justice on one hand and fair disposal of the case keeping public faith and trust on the judicial system on the other hand. The duty of a judge is multifaceted. S/he has certain duty towards the parties, duty towards the judicial system, duty towards the office and over all the sacred duty of doing justice to oneself. Duty imposed on a judge by parties to the suit is also pars judicis. A judge need not be biased or impartial.