Declension table of ?adhastana

Neuter	Singular	Dual	Plural
Nominative	adhastanam	adhastane	adhastanāni
Vocative	adhastana	adhastane	adhastanāni
Accusative	adhastanam	adhastane	adhastanāni
Instrumental	adhastanena	adhastanābhyām	adhastanaiḥ
Dative	adhastanāya	adhastanābhyām	adhastanebhyaḥ
Ablative	adhastanāt	adhastanābhyām	adhastanebhyaḥ
Genitive	adhastanasya	adhastanayoḥ	adhastanānām
Locative	adhastane	adhastanayoḥ	adhastaneṣu

Compound adhastana -

Adverb -adhastanam -adhastanāt