Declension table of ?tānayitavya

Neuter	Singular	Dual	Plural
Nominative	tānayitavyam	tānayitavye	tānayitavyāni
Vocative	tānayitavya	tānayitavye	tānayitavyāni
Accusative	tānayitavyam	tānayitavye	tānayitavyāni
Instrumental	tānayitavyena	tānayitavyābhyām	tānayitavyaiḥ
Dative	tānayitavyāya	tānayitavyābhyām	tānayitavyebhyaḥ
Ablative	tānayitavyāt	tānayitavyābhyām	tānayitavyebhyaḥ
Genitive	tānayitavyasya	tānayitavyayoḥ	tānayitavyānām
Locative	tānayitavye	tānayitavyayoḥ	tānayitavyeṣu

Compound tānayitavya -

Adverb -tānayitavyam -tānayitavyāt