Declension table of ?kaṭṭayitavya

Neuter	Singular	Dual	Plural
Nominative	kaṭṭayitavyam	kaṭṭayitavye	kaṭṭayitavyāni
Vocative	kaṭṭayitavya	kaṭṭayitavye	kaṭṭayitavyāni
Accusative	kaṭṭayitavyam	kaṭṭayitavye	kaṭṭayitavyāni
Instrumental	kaṭṭayitavyena	kaṭṭayitavyābhyām	kaṭṭayitavyaiḥ
Dative	kaṭṭayitavyāya	kaṭṭayitavyābhyām	kaṭṭayitavyebhyaḥ
Ablative	kaṭṭayitavyāt	kaṭṭayitavyābhyām	kaṭṭayitavyebhyaḥ
Genitive	kaṭṭayitavyasya	kaṭṭayitavyayoḥ	kaṭṭayitavyānām
Locative	kaṭṭayitavye	kaṭṭayitavyayoḥ	kaṭṭayitavyeṣu

Compound kaṭṭayitavya -

Adverb -kaṭṭayitavyam -kaṭṭayitavyāt