Declension table of śāsana

Masculine	Singular	Dual	Plural
Nominative	śāsanaḥ	śāsanau	śāsanāḥ
Vocative	śāsana	śāsanau	śāsanāḥ
Accusative	śāsanam	śāsanau	śāsanān
Instrumental	śāsanena	śāsanābhyām	śāsanaiḥ śāsanebhiḥ
Dative	śāsanāya	śāsanābhyām	śāsanebhyaḥ
Ablative	śāsanāt	śāsanābhyām	śāsanebhyaḥ
Genitive	śāsanasya	śāsanayoḥ	śāsanānām
Locative	śāsane	śāsanayoḥ	śāsaneṣu

Compound śāsana -

Adverb -śāsanam -śāsanāt