Declension table of ?dhakkayitavya

Neuter	Singular	Dual	Plural
Nominative	dhakkayitavyam	dhakkayitavye	dhakkayitavyāni
Vocative	dhakkayitavya	dhakkayitavye	dhakkayitavyāni
Accusative	dhakkayitavyam	dhakkayitavye	dhakkayitavyāni
Instrumental	dhakkayitavyena	dhakkayitavyābhyām	dhakkayitavyaiḥ
Dative	dhakkayitavyāya	dhakkayitavyābhyām	dhakkayitavyebhyaḥ
Ablative	dhakkayitavyāt	dhakkayitavyābhyām	dhakkayitavyebhyaḥ
Genitive	dhakkayitavyasya	dhakkayitavyayoḥ	dhakkayitavyānām
Locative	dhakkayitavye	dhakkayitavyayoḥ	dhakkayitavyeṣu

Compound dhakkayitavya -

Adverb -dhakkayitavyam -dhakkayitavyāt