Declension table of ?sūryahṛdaya

Neuter	Singular	Dual	Plural
Nominative	sūryahṛdayam	sūryahṛdaye	sūryahṛdayāni
Vocative	sūryahṛdaya	sūryahṛdaye	sūryahṛdayāni
Accusative	sūryahṛdayam	sūryahṛdaye	sūryahṛdayāni
Instrumental	sūryahṛdayena	sūryahṛdayābhyām	sūryahṛdayaiḥ
Dative	sūryahṛdayāya	sūryahṛdayābhyām	sūryahṛdayebhyaḥ
Ablative	sūryahṛdayāt	sūryahṛdayābhyām	sūryahṛdayebhyaḥ
Genitive	sūryahṛdayasya	sūryahṛdayayoḥ	sūryahṛdayānām
Locative	sūryahṛdaye	sūryahṛdayayoḥ	sūryahṛdayeṣu

Compound sūryahṛdaya -

Adverb -sūryahṛdayam -sūryahṛdayāt