Declension table of ?bhagavadupanayana

Neuter	Singular	Dual	Plural
Nominative	bhagavadupanayanam	bhagavadupanayane	bhagavadupanayanāni
Vocative	bhagavadupanayana	bhagavadupanayane	bhagavadupanayanāni
Accusative	bhagavadupanayanam	bhagavadupanayane	bhagavadupanayanāni
Instrumental	bhagavadupanayanena	bhagavadupanayanābhyām	bhagavadupanayanaiḥ
Dative	bhagavadupanayanāya	bhagavadupanayanābhyām	bhagavadupanayanebhyaḥ
Ablative	bhagavadupanayanāt	bhagavadupanayanābhyām	bhagavadupanayanebhyaḥ
Genitive	bhagavadupanayanasya	bhagavadupanayanayoḥ	bhagavadupanayanānām
Locative	bhagavadupanayane	bhagavadupanayanayoḥ	bhagavadupanayaneṣu

Compound bhagavadupanayana -

Adverb -bhagavadupanayanam -bhagavadupanayanāt