Declension table of ?kakṣīkartavya

Masculine	Singular	Dual	Plural
Nominative	kakṣīkartavyaḥ	kakṣīkartavyau	kakṣīkartavyāḥ
Vocative	kakṣīkartavya	kakṣīkartavyau	kakṣīkartavyāḥ
Accusative	kakṣīkartavyam	kakṣīkartavyau	kakṣīkartavyān
Instrumental	kakṣīkartavyena	kakṣīkartavyābhyām	kakṣīkartavyaiḥ kakṣīkartavyebhiḥ
Dative	kakṣīkartavyāya	kakṣīkartavyābhyām	kakṣīkartavyebhyaḥ
Ablative	kakṣīkartavyāt	kakṣīkartavyābhyām	kakṣīkartavyebhyaḥ
Genitive	kakṣīkartavyasya	kakṣīkartavyayoḥ	kakṣīkartavyānām
Locative	kakṣīkartavye	kakṣīkartavyayoḥ	kakṣīkartavyeṣu

Compound kakṣīkartavya -

Adverb -kakṣīkartavyam -kakṣīkartavyāt