Declension table of ?vijijñāsitavya

Masculine	Singular	Dual	Plural
Nominative	vijijñāsitavyaḥ	vijijñāsitavyau	vijijñāsitavyāḥ
Vocative	vijijñāsitavya	vijijñāsitavyau	vijijñāsitavyāḥ
Accusative	vijijñāsitavyam	vijijñāsitavyau	vijijñāsitavyān
Instrumental	vijijñāsitavyena	vijijñāsitavyābhyām	vijijñāsitavyaiḥ vijijñāsitavyebhiḥ
Dative	vijijñāsitavyāya	vijijñāsitavyābhyām	vijijñāsitavyebhyaḥ
Ablative	vijijñāsitavyāt	vijijñāsitavyābhyām	vijijñāsitavyebhyaḥ
Genitive	vijijñāsitavyasya	vijijñāsitavyayoḥ	vijijñāsitavyānām
Locative	vijijñāsitavye	vijijñāsitavyayoḥ	vijijñāsitavyeṣu

Compound vijijñāsitavya -

Adverb -vijijñāsitavyam -vijijñāsitavyāt