Declension table of ?daṃsayitavya

Neuter	Singular	Dual	Plural
Nominative	daṃsayitavyam	daṃsayitavye	daṃsayitavyāni
Vocative	daṃsayitavya	daṃsayitavye	daṃsayitavyāni
Accusative	daṃsayitavyam	daṃsayitavye	daṃsayitavyāni
Instrumental	daṃsayitavyena	daṃsayitavyābhyām	daṃsayitavyaiḥ
Dative	daṃsayitavyāya	daṃsayitavyābhyām	daṃsayitavyebhyaḥ
Ablative	daṃsayitavyāt	daṃsayitavyābhyām	daṃsayitavyebhyaḥ
Genitive	daṃsayitavyasya	daṃsayitavyayoḥ	daṃsayitavyānām
Locative	daṃsayitavye	daṃsayitavyayoḥ	daṃsayitavyeṣu

Compound daṃsayitavya -

Adverb -daṃsayitavyam -daṃsayitavyāt