Declension table of ?gardhayitavya

Masculine	Singular	Dual	Plural
Nominative	gardhayitavyaḥ	gardhayitavyau	gardhayitavyāḥ
Vocative	gardhayitavya	gardhayitavyau	gardhayitavyāḥ
Accusative	gardhayitavyam	gardhayitavyau	gardhayitavyān
Instrumental	gardhayitavyena	gardhayitavyābhyām	gardhayitavyaiḥ gardhayitavyebhiḥ
Dative	gardhayitavyāya	gardhayitavyābhyām	gardhayitavyebhyaḥ
Ablative	gardhayitavyāt	gardhayitavyābhyām	gardhayitavyebhyaḥ
Genitive	gardhayitavyasya	gardhayitavyayoḥ	gardhayitavyānām
Locative	gardhayitavye	gardhayitavyayoḥ	gardhayitavyeṣu

Compound gardhayitavya -

Adverb -gardhayitavyam -gardhayitavyāt