Declension table of ?śasitavya

Neuter	Singular	Dual	Plural
Nominative	śasitavyam	śasitavye	śasitavyāni
Vocative	śasitavya	śasitavye	śasitavyāni
Accusative	śasitavyam	śasitavye	śasitavyāni
Instrumental	śasitavyena	śasitavyābhyām	śasitavyaiḥ
Dative	śasitavyāya	śasitavyābhyām	śasitavyebhyaḥ
Ablative	śasitavyāt	śasitavyābhyām	śasitavyebhyaḥ
Genitive	śasitavyasya	śasitavyayoḥ	śasitavyānām
Locative	śasitavye	śasitavyayoḥ	śasitavyeṣu

Compound śasitavya -

Adverb -śasitavyam -śasitavyāt