“7. The question, therefore, is whether in a case of this nature the principle of promissory estoppel should be invoked. It is well known that the principle of promissory estoppel is based on equitable principles. A person who has himself misled the authority by making a fake statement, cannot invoke this principle, if his misrepresentation misled the authority into taking a decision which on discovery of the misrepresentation is sought to be cancelled. The High Court has proceeded on the basis that the petitioner had not made any misrepresentation in his application to the effect that he had passed the Intermediate examination. As we have found above, this finding of the High Court is erroneous, contrary to record and therefore must be set aside. In his application, the respondent had claimed that he had passed the Secondary examination as well as the Higher Secondary +2 examination, and it is clear from the counter affidavit filed on behalf of the appellants that his candidature was considered on the basis that he had passed the Higher Secondary +2 examination, as in that case he was entitled to claim relaxation in the matter of age. However, the mark sheet annexed to the application disclosed that the respondent had failed in the subject Chemistry and therefore, his claim in the application, that he had passed the Higher Secondary +2 examination, was