Declension table of ?vṛddhagārgya

Masculine	Singular	Dual	Plural
Nominative	vṛddhagārgyaḥ	vṛddhagārgyau	vṛddhagārgyāḥ
Vocative	vṛddhagārgya	vṛddhagārgyau	vṛddhagārgyāḥ
Accusative	vṛddhagārgyam	vṛddhagārgyau	vṛddhagārgyān
Instrumental	vṛddhagārgyeṇa	vṛddhagārgyābhyām	vṛddhagārgyaiḥ vṛddhagārgyebhiḥ
Dative	vṛddhagārgyāya	vṛddhagārgyābhyām	vṛddhagārgyebhyaḥ
Ablative	vṛddhagārgyāt	vṛddhagārgyābhyām	vṛddhagārgyebhyaḥ
Genitive	vṛddhagārgyasya	vṛddhagārgyayoḥ	vṛddhagārgyāṇām
Locative	vṛddhagārgye	vṛddhagārgyayoḥ	vṛddhagārgyeṣu

Compound vṛddhagārgya -

Adverb -vṛddhagārgyam -vṛddhagārgyāt