Declension table of ?dāpayitavya

Neuter	Singular	Dual	Plural
Nominative	dāpayitavyam	dāpayitavye	dāpayitavyāni
Vocative	dāpayitavya	dāpayitavye	dāpayitavyāni
Accusative	dāpayitavyam	dāpayitavye	dāpayitavyāni
Instrumental	dāpayitavyena	dāpayitavyābhyām	dāpayitavyaiḥ
Dative	dāpayitavyāya	dāpayitavyābhyām	dāpayitavyebhyaḥ
Ablative	dāpayitavyāt	dāpayitavyābhyām	dāpayitavyebhyaḥ
Genitive	dāpayitavyasya	dāpayitavyayoḥ	dāpayitavyānām
Locative	dāpayitavye	dāpayitavyayoḥ	dāpayitavyeṣu

Compound dāpayitavya -

Adverb -dāpayitavyam -dāpayitavyāt