Declension table of ?gāṅgya

Masculine	Singular	Dual	Plural
Nominative	gāṅgyaḥ	gāṅgyau	gāṅgyāḥ
Vocative	gāṅgya	gāṅgyau	gāṅgyāḥ
Accusative	gāṅgyam	gāṅgyau	gāṅgyān
Instrumental	gāṅgyena	gāṅgyābhyām	gāṅgyaiḥ gāṅgyebhiḥ
Dative	gāṅgyāya	gāṅgyābhyām	gāṅgyebhyaḥ
Ablative	gāṅgyāt	gāṅgyābhyām	gāṅgyebhyaḥ
Genitive	gāṅgyasya	gāṅgyayoḥ	gāṅgyānām
Locative	gāṅgye	gāṅgyayoḥ	gāṅgyeṣu

Compound gāṅgya -

Adverb -gāṅgyam -gāṅgyāt