Declension table of ?nandayitavya

Neuter	Singular	Dual	Plural
Nominative	nandayitavyam	nandayitavye	nandayitavyāni
Vocative	nandayitavya	nandayitavye	nandayitavyāni
Accusative	nandayitavyam	nandayitavye	nandayitavyāni
Instrumental	nandayitavyena	nandayitavyābhyām	nandayitavyaiḥ
Dative	nandayitavyāya	nandayitavyābhyām	nandayitavyebhyaḥ
Ablative	nandayitavyāt	nandayitavyābhyām	nandayitavyebhyaḥ
Genitive	nandayitavyasya	nandayitavyayoḥ	nandayitavyānām
Locative	nandayitavye	nandayitavyayoḥ	nandayitavyeṣu

Compound nandayitavya -

Adverb -nandayitavyam -nandayitavyāt