Declension table of ?upahvartavya

Neuter	Singular	Dual	Plural
Nominative	upahvartavyam	upahvartavye	upahvartavyāni
Vocative	upahvartavya	upahvartavye	upahvartavyāni
Accusative	upahvartavyam	upahvartavye	upahvartavyāni
Instrumental	upahvartavyena	upahvartavyābhyām	upahvartavyaiḥ
Dative	upahvartavyāya	upahvartavyābhyām	upahvartavyebhyaḥ
Ablative	upahvartavyāt	upahvartavyābhyām	upahvartavyebhyaḥ
Genitive	upahvartavyasya	upahvartavyayoḥ	upahvartavyānām
Locative	upahvartavye	upahvartavyayoḥ	upahvartavyeṣu

Compound upahvartavya -

Adverb -upahvartavyam -upahvartavyāt