Declension table of ?ṛkṣara

Masculine	Singular	Dual	Plural
Nominative	ṛkṣaraḥ	ṛkṣarau	ṛkṣarāḥ
Vocative	ṛkṣara	ṛkṣarau	ṛkṣarāḥ
Accusative	ṛkṣaram	ṛkṣarau	ṛkṣarān
Instrumental	ṛkṣareṇa	ṛkṣarābhyām	ṛkṣaraiḥ ṛkṣarebhiḥ
Dative	ṛkṣarāya	ṛkṣarābhyām	ṛkṣarebhyaḥ
Ablative	ṛkṣarāt	ṛkṣarābhyām	ṛkṣarebhyaḥ
Genitive	ṛkṣarasya	ṛkṣarayoḥ	ṛkṣarāṇām
Locative	ṛkṣare	ṛkṣarayoḥ	ṛkṣareṣu

Compound ṛkṣara -

Adverb -ṛkṣaram -ṛkṣarāt