Declension table of ?sadratna

Neuter	Singular	Dual	Plural
Nominative	sadratnam	sadratne	sadratnāni
Vocative	sadratna	sadratne	sadratnāni
Accusative	sadratnam	sadratne	sadratnāni
Instrumental	sadratnena	sadratnābhyām	sadratnaiḥ
Dative	sadratnāya	sadratnābhyām	sadratnebhyaḥ
Ablative	sadratnāt	sadratnābhyām	sadratnebhyaḥ
Genitive	sadratnasya	sadratnayoḥ	sadratnānām
Locative	sadratne	sadratnayoḥ	sadratneṣu

Compound sadratna -

Adverb -sadratnam -sadratnāt