Declension table of ?dhāpayitavya

Masculine	Singular	Dual	Plural
Nominative	dhāpayitavyaḥ	dhāpayitavyau	dhāpayitavyāḥ
Vocative	dhāpayitavya	dhāpayitavyau	dhāpayitavyāḥ
Accusative	dhāpayitavyam	dhāpayitavyau	dhāpayitavyān
Instrumental	dhāpayitavyena	dhāpayitavyābhyām	dhāpayitavyaiḥ dhāpayitavyebhiḥ
Dative	dhāpayitavyāya	dhāpayitavyābhyām	dhāpayitavyebhyaḥ
Ablative	dhāpayitavyāt	dhāpayitavyābhyām	dhāpayitavyebhyaḥ
Genitive	dhāpayitavyasya	dhāpayitavyayoḥ	dhāpayitavyānām
Locative	dhāpayitavye	dhāpayitavyayoḥ	dhāpayitavyeṣu

Compound dhāpayitavya -

Adverb -dhāpayitavyam -dhāpayitavyāt