Declension table of ?sadbhāgya

Neuter	Singular	Dual	Plural
Nominative	sadbhāgyam	sadbhāgye	sadbhāgyāni
Vocative	sadbhāgya	sadbhāgye	sadbhāgyāni
Accusative	sadbhāgyam	sadbhāgye	sadbhāgyāni
Instrumental	sadbhāgyena	sadbhāgyābhyām	sadbhāgyaiḥ
Dative	sadbhāgyāya	sadbhāgyābhyām	sadbhāgyebhyaḥ
Ablative	sadbhāgyāt	sadbhāgyābhyām	sadbhāgyebhyaḥ
Genitive	sadbhāgyasya	sadbhāgyayoḥ	sadbhāgyānām
Locative	sadbhāgye	sadbhāgyayoḥ	sadbhāgyeṣu

Compound sadbhāgya -

Adverb -sadbhāgyam -sadbhāgyāt