Declension table of ?tāyitavya

Masculine	Singular	Dual	Plural
Nominative	tāyitavyaḥ	tāyitavyau	tāyitavyāḥ
Vocative	tāyitavya	tāyitavyau	tāyitavyāḥ
Accusative	tāyitavyam	tāyitavyau	tāyitavyān
Instrumental	tāyitavyena	tāyitavyābhyām	tāyitavyaiḥ tāyitavyebhiḥ
Dative	tāyitavyāya	tāyitavyābhyām	tāyitavyebhyaḥ
Ablative	tāyitavyāt	tāyitavyābhyām	tāyitavyebhyaḥ
Genitive	tāyitavyasya	tāyitavyayoḥ	tāyitavyānām
Locative	tāyitavye	tāyitavyayoḥ	tāyitavyeṣu

Compound tāyitavya -

Adverb -tāyitavyam -tāyitavyāt