Declension table of ?kṛṣṇasāra

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇasāraḥ	kṛṣṇasārau	kṛṣṇasārāḥ
Vocative	kṛṣṇasāra	kṛṣṇasārau	kṛṣṇasārāḥ
Accusative	kṛṣṇasāram	kṛṣṇasārau	kṛṣṇasārān
Instrumental	kṛṣṇasāreṇa	kṛṣṇasārābhyām	kṛṣṇasāraiḥ kṛṣṇasārebhiḥ
Dative	kṛṣṇasārāya	kṛṣṇasārābhyām	kṛṣṇasārebhyaḥ
Ablative	kṛṣṇasārāt	kṛṣṇasārābhyām	kṛṣṇasārebhyaḥ
Genitive	kṛṣṇasārasya	kṛṣṇasārayoḥ	kṛṣṇasārāṇām
Locative	kṛṣṇasāre	kṛṣṇasārayoḥ	kṛṣṇasāreṣu

Compound kṛṣṇasāra -

Adverb -kṛṣṇasāram -kṛṣṇasārāt