Declension table of ?ṛchyamāna

Masculine	Singular	Dual	Plural
Nominative	ṛchyamānaḥ	ṛchyamānau	ṛchyamānāḥ
Vocative	ṛchyamāna	ṛchyamānau	ṛchyamānāḥ
Accusative	ṛchyamānam	ṛchyamānau	ṛchyamānān
Instrumental	ṛchyamānena	ṛchyamānābhyām	ṛchyamānaiḥ ṛchyamānebhiḥ
Dative	ṛchyamānāya	ṛchyamānābhyām	ṛchyamānebhyaḥ
Ablative	ṛchyamānāt	ṛchyamānābhyām	ṛchyamānebhyaḥ
Genitive	ṛchyamānasya	ṛchyamānayoḥ	ṛchyamānānām
Locative	ṛchyamāne	ṛchyamānayoḥ	ṛchyamāneṣu

Compound ṛchyamāna -

Adverb -ṛchyamānam -ṛchyamānāt