\ProvidesPackage{odiadigits}
  [2023/09/14 v.01%
   Formatting of Odia digits]

\def\odiadigits#1{\expandafter\@odia@digits #1@}
\def\@odia@digits#1{%
  \ifx @#1% terminate
  \else
    \ifcase#1୦\or୧\or୨\or୩\or୪\or୫\or୬\or୭\or୮\or୯\fi
    \expandafter\@odia@digits
  \fi
}
\endinput