“43. If, every error of law were to constitute a charge of misconduct, it would impinge upon the independent functioning of quasi judicial officers like the appellant. Since in sum and substance misconduct is sought to be inferred by the appellant having committed an error of law, the charge sheet on the face of it does not proceed on any legal premise rendering it liable to be quashed. In other words, to maintain any chargesheet against a quasi judicial authority something more has to be alleged than a mere mistake of law, e.g., in the nature of some extraneous consideration influencing the quasi judicial order. Since nothing of the sort is alleged herein the impugned charge sheet is rendered illegal. The charge sheet, if sustained, will thus impinge upon the confidence and independent functioning of a quasi judicial authority. The entire system of administrative adjudication whereunder quasi judicial powers are conferred on administrative authorities, would fall into disrepute if officers performing such functions are inhibited in performing their functions without fear or favour because of the constant threat of disciplinary proceedings.”