Declension table of ?vipaktavya

Neuter	Singular	Dual	Plural
Nominative	vipaktavyam	vipaktavye	vipaktavyāni
Vocative	vipaktavya	vipaktavye	vipaktavyāni
Accusative	vipaktavyam	vipaktavye	vipaktavyāni
Instrumental	vipaktavyena	vipaktavyābhyām	vipaktavyaiḥ
Dative	vipaktavyāya	vipaktavyābhyām	vipaktavyebhyaḥ
Ablative	vipaktavyāt	vipaktavyābhyām	vipaktavyebhyaḥ
Genitive	vipaktavyasya	vipaktavyayoḥ	vipaktavyānām
Locative	vipaktavye	vipaktavyayoḥ	vipaktavyeṣu

Compound vipaktavya -

Adverb -vipaktavyam -vipaktavyāt