किस मामले में यह माना गया कि राज्य की कार्रवाई द्वारा प्राकृतिक न्याय के सिद्धांत का उल्लंघन मनमानापन पैदा करता है जो अंततः अनुच्छेद 14 का उल्लंघन है?

In Mohd. Yunus Khan v. State of U.P., where the initiating disciplinary authority acted as a witness and imposed dismissal, the Supreme Court held that the action violated:

In which landmark ruling did the Supreme Court hold that state actions must satisfy non-arbitrariness by considering the legitimate expectations of affected persons?