“14. In the circumstances, prima facie, we are of the view that the grievance voiced by the appellant appears to be well founded that he would be entitled to interest on such benefits. If there are statutory rules occupying the field, the appellant could claim payment of interest relying on such rules. If there are administrative instructions, guidelines or norms prescribed for the purpose, the appellant may claim benefit of interest on that basis. But even in absence of statutory rules, administrative instructions or guidelines, an employee can claim interest under Part III of the Constitution relying on Articles 14, 19 and 21 of the Constitution. The submission of the learned counsel for the appellant, that retiral benefits are not in the nature of “bounty” is, in our opinion well founded and needs no authority in support thereof. In that view of the matter, in our considered opinion, the High Court was not right in