Declension table of ?gaṅgāmāhātmya

Neuter	Singular	Dual	Plural
Nominative	gaṅgāmāhātmyam	gaṅgāmāhātmye	gaṅgāmāhātmyāni
Vocative	gaṅgāmāhātmya	gaṅgāmāhātmye	gaṅgāmāhātmyāni
Accusative	gaṅgāmāhātmyam	gaṅgāmāhātmye	gaṅgāmāhātmyāni
Instrumental	gaṅgāmāhātmyena	gaṅgāmāhātmyābhyām	gaṅgāmāhātmyaiḥ
Dative	gaṅgāmāhātmyāya	gaṅgāmāhātmyābhyām	gaṅgāmāhātmyebhyaḥ
Ablative	gaṅgāmāhātmyāt	gaṅgāmāhātmyābhyām	gaṅgāmāhātmyebhyaḥ
Genitive	gaṅgāmāhātmyasya	gaṅgāmāhātmyayoḥ	gaṅgāmāhātmyānām
Locative	gaṅgāmāhātmye	gaṅgāmāhātmyayoḥ	gaṅgāmāhātmyeṣu

Compound gaṅgāmāhātmya -

Adverb -gaṅgāmāhātmyam -gaṅgāmāhātmyāt