...that marks awarded by them in the interviews will merely be added to the written examination marks, for preparation of the merit list and selection list. We are referring to this aspect, as the matter of conducting interviews and awarding marks in interviews, by five members of the interviewing committee would have been markedly different if they had to proceed on the basis that there were minimum marks to be secured in the interview for...the requirement of minimum marks for interview, after the entire selection process consisting of written examination and interview was completed, would amount to changing the rules of the game after the game was played which is clearly impermissible.
33. …We may clarify that prescription of minimum marks for any interview is not illegal. We have no doubt that the authority making rules regulating the selection, can...interview, therefore introduction of the requirement of minimum marks for interview, after the entire selection process consisting of written examination and interview was completed, would amount to changing the rules of the game after the game was played; and (b) if the interviewers had to proceed on the basis that there were minimum marks to be secured in the interview for being considered for selection and...