Declension table of ?taṃsayitavya

Neuter	Singular	Dual	Plural
Nominative	taṃsayitavyam	taṃsayitavye	taṃsayitavyāni
Vocative	taṃsayitavya	taṃsayitavye	taṃsayitavyāni
Accusative	taṃsayitavyam	taṃsayitavye	taṃsayitavyāni
Instrumental	taṃsayitavyena	taṃsayitavyābhyām	taṃsayitavyaiḥ
Dative	taṃsayitavyāya	taṃsayitavyābhyām	taṃsayitavyebhyaḥ
Ablative	taṃsayitavyāt	taṃsayitavyābhyām	taṃsayitavyebhyaḥ
Genitive	taṃsayitavyasya	taṃsayitavyayoḥ	taṃsayitavyānām
Locative	taṃsayitavye	taṃsayitavyayoḥ	taṃsayitavyeṣu

Compound taṃsayitavya -

Adverb -taṃsayitavyam -taṃsayitavyāt