Declension table of ?ghartavya

Neuter	Singular	Dual	Plural
Nominative	ghartavyam	ghartavye	ghartavyāni
Vocative	ghartavya	ghartavye	ghartavyāni
Accusative	ghartavyam	ghartavye	ghartavyāni
Instrumental	ghartavyena	ghartavyābhyām	ghartavyaiḥ
Dative	ghartavyāya	ghartavyābhyām	ghartavyebhyaḥ
Ablative	ghartavyāt	ghartavyābhyām	ghartavyebhyaḥ
Genitive	ghartavyasya	ghartavyayoḥ	ghartavyānām
Locative	ghartavye	ghartavyayoḥ	ghartavyeṣu

Compound ghartavya -

Adverb -ghartavyam -ghartavyāt