Declension table of ?kāṇayitavya

Masculine	Singular	Dual	Plural
Nominative	kāṇayitavyaḥ	kāṇayitavyau	kāṇayitavyāḥ
Vocative	kāṇayitavya	kāṇayitavyau	kāṇayitavyāḥ
Accusative	kāṇayitavyam	kāṇayitavyau	kāṇayitavyān
Instrumental	kāṇayitavyena	kāṇayitavyābhyām	kāṇayitavyaiḥ kāṇayitavyebhiḥ
Dative	kāṇayitavyāya	kāṇayitavyābhyām	kāṇayitavyebhyaḥ
Ablative	kāṇayitavyāt	kāṇayitavyābhyām	kāṇayitavyebhyaḥ
Genitive	kāṇayitavyasya	kāṇayitavyayoḥ	kāṇayitavyānām
Locative	kāṇayitavye	kāṇayitavyayoḥ	kāṇayitavyeṣu

Compound kāṇayitavya -

Adverb -kāṇayitavyam -kāṇayitavyāt