Declension table of ?kāṣayitavya

Masculine	Singular	Dual	Plural
Nominative	kāṣayitavyaḥ	kāṣayitavyau	kāṣayitavyāḥ
Vocative	kāṣayitavya	kāṣayitavyau	kāṣayitavyāḥ
Accusative	kāṣayitavyam	kāṣayitavyau	kāṣayitavyān
Instrumental	kāṣayitavyena	kāṣayitavyābhyām	kāṣayitavyaiḥ kāṣayitavyebhiḥ
Dative	kāṣayitavyāya	kāṣayitavyābhyām	kāṣayitavyebhyaḥ
Ablative	kāṣayitavyāt	kāṣayitavyābhyām	kāṣayitavyebhyaḥ
Genitive	kāṣayitavyasya	kāṣayitavyayoḥ	kāṣayitavyānām
Locative	kāṣayitavye	kāṣayitavyayoḥ	kāṣayitavyeṣu

Compound kāṣayitavya -

Adverb -kāṣayitavyam -kāṣayitavyāt