Declension table of ?kakṣīkartavya

Neuter	Singular	Dual	Plural
Nominative	kakṣīkartavyam	kakṣīkartavye	kakṣīkartavyāni
Vocative	kakṣīkartavya	kakṣīkartavye	kakṣīkartavyāni
Accusative	kakṣīkartavyam	kakṣīkartavye	kakṣīkartavyāni
Instrumental	kakṣīkartavyena	kakṣīkartavyābhyām	kakṣīkartavyaiḥ
Dative	kakṣīkartavyāya	kakṣīkartavyābhyām	kakṣīkartavyebhyaḥ
Ablative	kakṣīkartavyāt	kakṣīkartavyābhyām	kakṣīkartavyebhyaḥ
Genitive	kakṣīkartavyasya	kakṣīkartavyayoḥ	kakṣīkartavyānām
Locative	kakṣīkartavye	kakṣīkartavyayoḥ	kakṣīkartavyeṣu

Compound kakṣīkartavya -

Adverb -kakṣīkartavyam -kakṣīkartavyāt