Declension table of ?sṛdara

Masculine	Singular	Dual	Plural
Nominative	sṛdaraḥ	sṛdarau	sṛdarāḥ
Vocative	sṛdara	sṛdarau	sṛdarāḥ
Accusative	sṛdaram	sṛdarau	sṛdarān
Instrumental	sṛdareṇa	sṛdarābhyām	sṛdaraiḥ sṛdarebhiḥ
Dative	sṛdarāya	sṛdarābhyām	sṛdarebhyaḥ
Ablative	sṛdarāt	sṛdarābhyām	sṛdarebhyaḥ
Genitive	sṛdarasya	sṛdarayoḥ	sṛdarāṇām
Locative	sṛdare	sṛdarayoḥ	sṛdareṣu

Compound sṛdara -

Adverb -sṛdaram -sṛdarāt