Declension table of ?lakṣaṇaratna

Neuter	Singular	Dual	Plural
Nominative	lakṣaṇaratnam	lakṣaṇaratne	lakṣaṇaratnāni
Vocative	lakṣaṇaratna	lakṣaṇaratne	lakṣaṇaratnāni
Accusative	lakṣaṇaratnam	lakṣaṇaratne	lakṣaṇaratnāni
Instrumental	lakṣaṇaratnena	lakṣaṇaratnābhyām	lakṣaṇaratnaiḥ
Dative	lakṣaṇaratnāya	lakṣaṇaratnābhyām	lakṣaṇaratnebhyaḥ
Ablative	lakṣaṇaratnāt	lakṣaṇaratnābhyām	lakṣaṇaratnebhyaḥ
Genitive	lakṣaṇaratnasya	lakṣaṇaratnayoḥ	lakṣaṇaratnānām
Locative	lakṣaṇaratne	lakṣaṇaratnayoḥ	lakṣaṇaratneṣu

Compound lakṣaṇaratna -

Adverb -lakṣaṇaratnam -lakṣaṇaratnāt