Declension table of ?kṛṣṇasāra

Neuter	Singular	Dual	Plural
Nominative	kṛṣṇasāram	kṛṣṇasāre	kṛṣṇasārāṇi
Vocative	kṛṣṇasāra	kṛṣṇasāre	kṛṣṇasārāṇi
Accusative	kṛṣṇasāram	kṛṣṇasāre	kṛṣṇasārāṇi
Instrumental	kṛṣṇasāreṇa	kṛṣṇasārābhyām	kṛṣṇasāraiḥ
Dative	kṛṣṇasārāya	kṛṣṇasārābhyām	kṛṣṇasārebhyaḥ
Ablative	kṛṣṇasārāt	kṛṣṇasārābhyām	kṛṣṇasārebhyaḥ
Genitive	kṛṣṇasārasya	kṛṣṇasārayoḥ	kṛṣṇasārāṇām
Locative	kṛṣṇasāre	kṛṣṇasārayoḥ	kṛṣṇasāreṣu

Compound kṛṣṇasāra -

Adverb -kṛṣṇasāram -kṛṣṇasārāt