" He further observed "It would always depend upon several relevant considerations : What is the nature of the infirmity or error on which a plea for a review and revision of the earlier view is based ? On the earlier occasion, did some patent aspects of the question remain unnoticed, was the attention of the Court not drawn to any relevant and material statutory provision, or was any previous decision of this Court bearing on the point not noticed ? Is the Court hearing such plea fairly unani mous that there is such an error in the, earlier view ? What would be the impact of the error 'on the general administration of law or on public good ? Has the earlier decision been followed on subsequent occasions either by this Court or by the High courts ? And, would the reversal of the earlier decision lead to public inconvenience, hardship or mischief ?" (1) ; (2) 20 We are inclined to review our earlier decision 'in Travancore Titanium case(, '), because, as will presently appear, certain aspects of the question were not brought to the attention of the Court and remained unnoticed, and our decision is not likely to cause any public inconvenience, hardship or mischief.