24. interrogative pronoun "which one" (katarah, m.):
 
  Sg. Du. Pl.
Nom. katarah katarau katare
Acc. kataram katarau kataran
Ins. katarena katarabhyam kataraih
Dat. katarasmai katarabhyam katarebhyah
Abl. katarasmat katarabhyam katarebhyah
Gen. katarasya katarayoh kataresam
Loc. katarasmin katarayoh kataresu
Voc. katarah katarau katare