Declension table of ?yadavasāna

Neuter	Singular	Dual	Plural
Nominative	yadavasānam	yadavasāne	yadavasānāni
Vocative	yadavasāna	yadavasāne	yadavasānāni
Accusative	yadavasānam	yadavasāne	yadavasānāni
Instrumental	yadavasānena	yadavasānābhyām	yadavasānaiḥ
Dative	yadavasānāya	yadavasānābhyām	yadavasānebhyaḥ
Ablative	yadavasānāt	yadavasānābhyām	yadavasānebhyaḥ
Genitive	yadavasānasya	yadavasānayoḥ	yadavasānānām
Locative	yadavasāne	yadavasānayoḥ	yadavasāneṣu

Compound yadavasāna -

Adverb -yadavasānam -yadavasānāt