Declension table of ?kāṇayitavya

Neuter	Singular	Dual	Plural
Nominative	kāṇayitavyam	kāṇayitavye	kāṇayitavyāni
Vocative	kāṇayitavya	kāṇayitavye	kāṇayitavyāni
Accusative	kāṇayitavyam	kāṇayitavye	kāṇayitavyāni
Instrumental	kāṇayitavyena	kāṇayitavyābhyām	kāṇayitavyaiḥ
Dative	kāṇayitavyāya	kāṇayitavyābhyām	kāṇayitavyebhyaḥ
Ablative	kāṇayitavyāt	kāṇayitavyābhyām	kāṇayitavyebhyaḥ
Genitive	kāṇayitavyasya	kāṇayitavyayoḥ	kāṇayitavyānām
Locative	kāṇayitavye	kāṇayitavyayoḥ	kāṇayitavyeṣu

Compound kāṇayitavya -

Adverb -kāṇayitavyam -kāṇayitavyāt