Declension table of upahartavya

Masculine	Singular	Dual	Plural
Nominative	upahartavyaḥ	upahartavyau	upahartavyāḥ
Vocative	upahartavya	upahartavyau	upahartavyāḥ
Accusative	upahartavyam	upahartavyau	upahartavyān
Instrumental	upahartavyena	upahartavyābhyām	upahartavyaiḥ
Dative	upahartavyāya	upahartavyābhyām	upahartavyebhyaḥ
Ablative	upahartavyāt	upahartavyābhyām	upahartavyebhyaḥ
Genitive	upahartavyasya	upahartavyayoḥ	upahartavyānām
Locative	upahartavye	upahartavyayoḥ	upahartavyeṣu

Compound upahartavya -

Adverb -upahartavyam -upahartavyāt