Declension table of ?ṣvakkitavya

Masculine	Singular	Dual	Plural
Nominative	ṣvakkitavyaḥ	ṣvakkitavyau	ṣvakkitavyāḥ
Vocative	ṣvakkitavya	ṣvakkitavyau	ṣvakkitavyāḥ
Accusative	ṣvakkitavyam	ṣvakkitavyau	ṣvakkitavyān
Instrumental	ṣvakkitavyena	ṣvakkitavyābhyām	ṣvakkitavyaiḥ ṣvakkitavyebhiḥ
Dative	ṣvakkitavyāya	ṣvakkitavyābhyām	ṣvakkitavyebhyaḥ
Ablative	ṣvakkitavyāt	ṣvakkitavyābhyām	ṣvakkitavyebhyaḥ
Genitive	ṣvakkitavyasya	ṣvakkitavyayoḥ	ṣvakkitavyānām
Locative	ṣvakkitavye	ṣvakkitavyayoḥ	ṣvakkitavyeṣu

Compound ṣvakkitavya -

Adverb -ṣvakkitavyam -ṣvakkitavyāt