Declension table of ?bhadravasana

Neuter	Singular	Dual	Plural
Nominative	bhadravasanam	bhadravasane	bhadravasanāni
Vocative	bhadravasana	bhadravasane	bhadravasanāni
Accusative	bhadravasanam	bhadravasane	bhadravasanāni
Instrumental	bhadravasanena	bhadravasanābhyām	bhadravasanaiḥ
Dative	bhadravasanāya	bhadravasanābhyām	bhadravasanebhyaḥ
Ablative	bhadravasanāt	bhadravasanābhyām	bhadravasanebhyaḥ
Genitive	bhadravasanasya	bhadravasanayoḥ	bhadravasanānām
Locative	bhadravasane	bhadravasanayoḥ	bhadravasaneṣu

Compound bhadravasana -

Adverb -bhadravasanam -bhadravasanāt