Declension table of ?upayoktavya

Neuter	Singular	Dual	Plural
Nominative	upayoktavyam	upayoktavye	upayoktavyāni
Vocative	upayoktavya	upayoktavye	upayoktavyāni
Accusative	upayoktavyam	upayoktavye	upayoktavyāni
Instrumental	upayoktavyena	upayoktavyābhyām	upayoktavyaiḥ
Dative	upayoktavyāya	upayoktavyābhyām	upayoktavyebhyaḥ
Ablative	upayoktavyāt	upayoktavyābhyām	upayoktavyebhyaḥ
Genitive	upayoktavyasya	upayoktavyayoḥ	upayoktavyānām
Locative	upayoktavye	upayoktavyayoḥ	upayoktavyeṣu

Compound upayoktavya -

Adverb -upayoktavyam -upayoktavyāt