Declension table of ?dhvaṃsayitavya

Masculine	Singular	Dual	Plural
Nominative	dhvaṃsayitavyaḥ	dhvaṃsayitavyau	dhvaṃsayitavyāḥ
Vocative	dhvaṃsayitavya	dhvaṃsayitavyau	dhvaṃsayitavyāḥ
Accusative	dhvaṃsayitavyam	dhvaṃsayitavyau	dhvaṃsayitavyān
Instrumental	dhvaṃsayitavyena	dhvaṃsayitavyābhyām	dhvaṃsayitavyaiḥ dhvaṃsayitavyebhiḥ
Dative	dhvaṃsayitavyāya	dhvaṃsayitavyābhyām	dhvaṃsayitavyebhyaḥ
Ablative	dhvaṃsayitavyāt	dhvaṃsayitavyābhyām	dhvaṃsayitavyebhyaḥ
Genitive	dhvaṃsayitavyasya	dhvaṃsayitavyayoḥ	dhvaṃsayitavyānām
Locative	dhvaṃsayitavye	dhvaṃsayitavyayoḥ	dhvaṃsayitavyeṣu

Compound dhvaṃsayitavya -

Adverb -dhvaṃsayitavyam -dhvaṃsayitavyāt