Declension table of ?artavya

Neuter	Singular	Dual	Plural
Nominative	artavyam	artavye	artavyāni
Vocative	artavya	artavye	artavyāni
Accusative	artavyam	artavye	artavyāni
Instrumental	artavyena	artavyābhyām	artavyaiḥ
Dative	artavyāya	artavyābhyām	artavyebhyaḥ
Ablative	artavyāt	artavyābhyām	artavyebhyaḥ
Genitive	artavyasya	artavyayoḥ	artavyānām
Locative	artavye	artavyayoḥ	artavyeṣu

Compound artavya -

Adverb -artavyam -artavyāt