Declension table of ?hvātavya

Masculine	Singular	Dual	Plural
Nominative	hvātavyaḥ	hvātavyau	hvātavyāḥ
Vocative	hvātavya	hvātavyau	hvātavyāḥ
Accusative	hvātavyam	hvātavyau	hvātavyān
Instrumental	hvātavyena	hvātavyābhyām	hvātavyaiḥ hvātavyebhiḥ
Dative	hvātavyāya	hvātavyābhyām	hvātavyebhyaḥ
Ablative	hvātavyāt	hvātavyābhyām	hvātavyebhyaḥ
Genitive	hvātavyasya	hvātavyayoḥ	hvātavyānām
Locative	hvātavye	hvātavyayoḥ	hvātavyeṣu

Compound hvātavya -

Adverb -hvātavyam -hvātavyāt