“2. Learned counsel appearing for the appellant urged that seeing the nature and seriousness of the order passed against the appellant, the respondent ought to have supplied all the materials on the basis of which the charges contained in the show-cause notice were based along with show-cause notice and in the absence of supply of materials, the order impugned is against the principles of natural justice. We do not find any merit in this contention. Admittedly, the appellant has only contractual relationship with the State Government and the said relationship is not governed by any statutory rules. There is no statutory rule which requires that an approved contractor cannot be blacklisted without giving an opportunity of show-cause. It is true that an order blacklisting an approved contractor results in civil consequences and in such a situation in the absence of statutory rules, the only requirement of law while passing such an order was to observe the principle of audi alteram partem which is one of the facets of the principles of natural justice. The contention that it was incumbent upon the respondent to have supplied the material on the basis of which the charges against the appellant were based, was not the requirement of principle of audi alteram partem. It was sufficient requirement of law that an opportunity of show-cause was given to the appellant before it was blacklisted. It is not disputed that in the present case, the appellant was given an opportunity to show cause and it did reply to the show-cause which was duly considered by the State Government. We are, therefore, of the view that the procedure adopted by the respondent while blacklisting the