Declension table of ?kuṃsayitavya

Masculine	Singular	Dual	Plural
Nominative	kuṃsayitavyaḥ	kuṃsayitavyau	kuṃsayitavyāḥ
Vocative	kuṃsayitavya	kuṃsayitavyau	kuṃsayitavyāḥ
Accusative	kuṃsayitavyam	kuṃsayitavyau	kuṃsayitavyān
Instrumental	kuṃsayitavyena	kuṃsayitavyābhyām	kuṃsayitavyaiḥ kuṃsayitavyebhiḥ
Dative	kuṃsayitavyāya	kuṃsayitavyābhyām	kuṃsayitavyebhyaḥ
Ablative	kuṃsayitavyāt	kuṃsayitavyābhyām	kuṃsayitavyebhyaḥ
Genitive	kuṃsayitavyasya	kuṃsayitavyayoḥ	kuṃsayitavyānām
Locative	kuṃsayitavye	kuṃsayitavyayoḥ	kuṃsayitavyeṣu

Compound kuṃsayitavya -

Adverb -kuṃsayitavyam -kuṃsayitavyāt