Declension table of ?mahābhāgya

Neuter	Singular	Dual	Plural
Nominative	mahābhāgyam	mahābhāgye	mahābhāgyāni
Vocative	mahābhāgya	mahābhāgye	mahābhāgyāni
Accusative	mahābhāgyam	mahābhāgye	mahābhāgyāni
Instrumental	mahābhāgyena	mahābhāgyābhyām	mahābhāgyaiḥ
Dative	mahābhāgyāya	mahābhāgyābhyām	mahābhāgyebhyaḥ
Ablative	mahābhāgyāt	mahābhāgyābhyām	mahābhāgyebhyaḥ
Genitive	mahābhāgyasya	mahābhāgyayoḥ	mahābhāgyānām
Locative	mahābhāgye	mahābhāgyayoḥ	mahābhāgyeṣu

Compound mahābhāgya -

Adverb -mahābhāgyam -mahābhāgyāt