Declension table of ?durvyasana

Neuter	Singular	Dual	Plural
Nominative	durvyasanam	durvyasane	durvyasanāni
Vocative	durvyasana	durvyasane	durvyasanāni
Accusative	durvyasanam	durvyasane	durvyasanāni
Instrumental	durvyasanena	durvyasanābhyām	durvyasanaiḥ
Dative	durvyasanāya	durvyasanābhyām	durvyasanebhyaḥ
Ablative	durvyasanāt	durvyasanābhyām	durvyasanebhyaḥ
Genitive	durvyasanasya	durvyasanayoḥ	durvyasanānām
Locative	durvyasane	durvyasanayoḥ	durvyasaneṣu

Compound durvyasana -

Adverb -durvyasanam -durvyasanāt