Declension table of ?gotavya

Neuter	Singular	Dual	Plural
Nominative	gotavyam	gotavye	gotavyāni
Vocative	gotavya	gotavye	gotavyāni
Accusative	gotavyam	gotavye	gotavyāni
Instrumental	gotavyena	gotavyābhyām	gotavyaiḥ
Dative	gotavyāya	gotavyābhyām	gotavyebhyaḥ
Ablative	gotavyāt	gotavyābhyām	gotavyebhyaḥ
Genitive	gotavyasya	gotavyayoḥ	gotavyānām
Locative	gotavye	gotavyayoḥ	gotavyeṣu

Compound gotavya -

Adverb -gotavyam -gotavyāt