Judgment :

Dr. Arijit Pasayat, J.

1. Leave granted.

2. Challenge in this appeal is to the order passed by a learned Single Judge of the Allahabad High Court allowing the Revision Petition filed by respondent no.2. Though various points were urged it is not necessary to go into those in detail as the revision petition was allowed even without issuing notice to the present appellants and to the other parties.

3. Learned Single Judge only heard the counsel for respondent No.2 and passed the impugned order.

4. Learned counsel for respondent No.2 submitted that the High Court has taken note of the applicable legal position and, therefore there is no scope for interference.

5. The crucial question that remains to be adjudicated is whether principles of natural justice have been violated; and if so, to what extent any prejudice has been caused. It may be noted at this juncture that in some cases it has been observed that where grant of opportunity in terms of principles of natural justice do not improve the situation, "useless formality theory" can be pressed into service.

6. Natural justice is another name for commonsense justice. Rules of natural justice are not codified canons. But they