Declension table of ?bhettavya

Masculine	Singular	Dual	Plural
Nominative	bhettavyaḥ	bhettavyau	bhettavyāḥ
Vocative	bhettavya	bhettavyau	bhettavyāḥ
Accusative	bhettavyam	bhettavyau	bhettavyān
Instrumental	bhettavyena	bhettavyābhyām	bhettavyaiḥ bhettavyebhiḥ
Dative	bhettavyāya	bhettavyābhyām	bhettavyebhyaḥ
Ablative	bhettavyāt	bhettavyābhyām	bhettavyebhyaḥ
Genitive	bhettavyasya	bhettavyayoḥ	bhettavyānām
Locative	bhettavye	bhettavyayoḥ	bhettavyeṣu

Compound bhettavya -

Adverb -bhettavyam -bhettavyāt