Declension table of ?ṛtavīrya

Masculine	Singular	Dual	Plural
Nominative	ṛtavīryaḥ	ṛtavīryau	ṛtavīryāḥ
Vocative	ṛtavīrya	ṛtavīryau	ṛtavīryāḥ
Accusative	ṛtavīryam	ṛtavīryau	ṛtavīryān
Instrumental	ṛtavīryeṇa	ṛtavīryābhyām	ṛtavīryaiḥ ṛtavīryebhiḥ
Dative	ṛtavīryāya	ṛtavīryābhyām	ṛtavīryebhyaḥ
Ablative	ṛtavīryāt	ṛtavīryābhyām	ṛtavīryebhyaḥ
Genitive	ṛtavīryasya	ṛtavīryayoḥ	ṛtavīryāṇām
Locative	ṛtavīrye	ṛtavīryayoḥ	ṛtavīryeṣu

Compound ṛtavīrya -

Adverb -ṛtavīryam -ṛtavīryāt