Declension table of ?śaśitavya

Neuter	Singular	Dual	Plural
Nominative	śaśitavyam	śaśitavye	śaśitavyāni
Vocative	śaśitavya	śaśitavye	śaśitavyāni
Accusative	śaśitavyam	śaśitavye	śaśitavyāni
Instrumental	śaśitavyena	śaśitavyābhyām	śaśitavyaiḥ
Dative	śaśitavyāya	śaśitavyābhyām	śaśitavyebhyaḥ
Ablative	śaśitavyāt	śaśitavyābhyām	śaśitavyebhyaḥ
Genitive	śaśitavyasya	śaśitavyayoḥ	śaśitavyānām
Locative	śaśitavye	śaśitavyayoḥ	śaśitavyeṣu

Compound śaśitavya -

Adverb -śaśitavyam -śaśitavyāt