Declension table of ?yakṣayitavya

Masculine	Singular	Dual	Plural
Nominative	yakṣayitavyaḥ	yakṣayitavyau	yakṣayitavyāḥ
Vocative	yakṣayitavya	yakṣayitavyau	yakṣayitavyāḥ
Accusative	yakṣayitavyam	yakṣayitavyau	yakṣayitavyān
Instrumental	yakṣayitavyena	yakṣayitavyābhyām	yakṣayitavyaiḥ yakṣayitavyebhiḥ
Dative	yakṣayitavyāya	yakṣayitavyābhyām	yakṣayitavyebhyaḥ
Ablative	yakṣayitavyāt	yakṣayitavyābhyām	yakṣayitavyebhyaḥ
Genitive	yakṣayitavyasya	yakṣayitavyayoḥ	yakṣayitavyānām
Locative	yakṣayitavye	yakṣayitavyayoḥ	yakṣayitavyeṣu

Compound yakṣayitavya -

Adverb -yakṣayitavyam -yakṣayitavyāt