Declension table of ?tastyāna

Masculine	Singular	Dual	Plural
Nominative	tastyānaḥ	tastyānau	tastyānāḥ
Vocative	tastyāna	tastyānau	tastyānāḥ
Accusative	tastyānam	tastyānau	tastyānān
Instrumental	tastyānena	tastyānābhyām	tastyānaiḥ tastyānebhiḥ
Dative	tastyānāya	tastyānābhyām	tastyānebhyaḥ
Ablative	tastyānāt	tastyānābhyām	tastyānebhyaḥ
Genitive	tastyānasya	tastyānayoḥ	tastyānānām
Locative	tastyāne	tastyānayoḥ	tastyāneṣu

Compound tastyāna -

Adverb -tastyānam -tastyānāt