Declension table of ?kuṃśayitavya

Masculine	Singular	Dual	Plural
Nominative	kuṃśayitavyaḥ	kuṃśayitavyau	kuṃśayitavyāḥ
Vocative	kuṃśayitavya	kuṃśayitavyau	kuṃśayitavyāḥ
Accusative	kuṃśayitavyam	kuṃśayitavyau	kuṃśayitavyān
Instrumental	kuṃśayitavyena	kuṃśayitavyābhyām	kuṃśayitavyaiḥ kuṃśayitavyebhiḥ
Dative	kuṃśayitavyāya	kuṃśayitavyābhyām	kuṃśayitavyebhyaḥ
Ablative	kuṃśayitavyāt	kuṃśayitavyābhyām	kuṃśayitavyebhyaḥ
Genitive	kuṃśayitavyasya	kuṃśayitavyayoḥ	kuṃśayitavyānām
Locative	kuṃśayitavye	kuṃśayitavyayoḥ	kuṃśayitavyeṣu

Compound kuṃśayitavya -

Adverb -kuṃśayitavyam -kuṃśayitavyāt