Declension table of ?sthātavya

Masculine	Singular	Dual	Plural
Nominative	sthātavyaḥ	sthātavyau	sthātavyāḥ
Vocative	sthātavya	sthātavyau	sthātavyāḥ
Accusative	sthātavyam	sthātavyau	sthātavyān
Instrumental	sthātavyena	sthātavyābhyām	sthātavyaiḥ sthātavyebhiḥ
Dative	sthātavyāya	sthātavyābhyām	sthātavyebhyaḥ
Ablative	sthātavyāt	sthātavyābhyām	sthātavyebhyaḥ
Genitive	sthātavyasya	sthātavyayoḥ	sthātavyānām
Locative	sthātavye	sthātavyayoḥ	sthātavyeṣu

Compound sthātavya -

Adverb -sthātavyam -sthātavyāt