Declension table of ?ghartavya

Masculine	Singular	Dual	Plural
Nominative	ghartavyaḥ	ghartavyau	ghartavyāḥ
Vocative	ghartavya	ghartavyau	ghartavyāḥ
Accusative	ghartavyam	ghartavyau	ghartavyān
Instrumental	ghartavyena	ghartavyābhyām	ghartavyaiḥ ghartavyebhiḥ
Dative	ghartavyāya	ghartavyābhyām	ghartavyebhyaḥ
Ablative	ghartavyāt	ghartavyābhyām	ghartavyebhyaḥ
Genitive	ghartavyasya	ghartavyayoḥ	ghartavyānām
Locative	ghartavye	ghartavyayoḥ	ghartavyeṣu

Compound ghartavya -

Adverb -ghartavyam -ghartavyāt