Declension table of ?kāṣayitavya

Neuter	Singular	Dual	Plural
Nominative	kāṣayitavyam	kāṣayitavye	kāṣayitavyāni
Vocative	kāṣayitavya	kāṣayitavye	kāṣayitavyāni
Accusative	kāṣayitavyam	kāṣayitavye	kāṣayitavyāni
Instrumental	kāṣayitavyena	kāṣayitavyābhyām	kāṣayitavyaiḥ
Dative	kāṣayitavyāya	kāṣayitavyābhyām	kāṣayitavyebhyaḥ
Ablative	kāṣayitavyāt	kāṣayitavyābhyām	kāṣayitavyebhyaḥ
Genitive	kāṣayitavyasya	kāṣayitavyayoḥ	kāṣayitavyānām
Locative	kāṣayitavye	kāṣayitavyayoḥ	kāṣayitavyeṣu

Compound kāṣayitavya -

Adverb -kāṣayitavyam -kāṣayitavyāt