Declension table of ?vijijñāsitavya

Neuter	Singular	Dual	Plural
Nominative	vijijñāsitavyam	vijijñāsitavye	vijijñāsitavyāni
Vocative	vijijñāsitavya	vijijñāsitavye	vijijñāsitavyāni
Accusative	vijijñāsitavyam	vijijñāsitavye	vijijñāsitavyāni
Instrumental	vijijñāsitavyena	vijijñāsitavyābhyām	vijijñāsitavyaiḥ
Dative	vijijñāsitavyāya	vijijñāsitavyābhyām	vijijñāsitavyebhyaḥ
Ablative	vijijñāsitavyāt	vijijñāsitavyābhyām	vijijñāsitavyebhyaḥ
Genitive	vijijñāsitavyasya	vijijñāsitavyayoḥ	vijijñāsitavyānām
Locative	vijijñāsitavye	vijijñāsitavyayoḥ	vijijñāsitavyeṣu

Compound vijijñāsitavya -

Adverb -vijijñāsitavyam -vijijñāsitavyāt