Declension table of ?hayitavya

Masculine	Singular	Dual	Plural
Nominative	hayitavyaḥ	hayitavyau	hayitavyāḥ
Vocative	hayitavya	hayitavyau	hayitavyāḥ
Accusative	hayitavyam	hayitavyau	hayitavyān
Instrumental	hayitavyena	hayitavyābhyām	hayitavyaiḥ hayitavyebhiḥ
Dative	hayitavyāya	hayitavyābhyām	hayitavyebhyaḥ
Ablative	hayitavyāt	hayitavyābhyām	hayitavyebhyaḥ
Genitive	hayitavyasya	hayitavyayoḥ	hayitavyānām
Locative	hayitavye	hayitavyayoḥ	hayitavyeṣu

Compound hayitavya -

Adverb -hayitavyam -hayitavyāt