Declension table of ?ṣvakkitavya

Neuter	Singular	Dual	Plural
Nominative	ṣvakkitavyam	ṣvakkitavye	ṣvakkitavyāni
Vocative	ṣvakkitavya	ṣvakkitavye	ṣvakkitavyāni
Accusative	ṣvakkitavyam	ṣvakkitavye	ṣvakkitavyāni
Instrumental	ṣvakkitavyena	ṣvakkitavyābhyām	ṣvakkitavyaiḥ
Dative	ṣvakkitavyāya	ṣvakkitavyābhyām	ṣvakkitavyebhyaḥ
Ablative	ṣvakkitavyāt	ṣvakkitavyābhyām	ṣvakkitavyebhyaḥ
Genitive	ṣvakkitavyasya	ṣvakkitavyayoḥ	ṣvakkitavyānām
Locative	ṣvakkitavye	ṣvakkitavyayoḥ	ṣvakkitavyeṣu

Compound ṣvakkitavya -

Adverb -ṣvakkitavyam -ṣvakkitavyāt