Declension table of ?kṛṣṇakarman

Neuter	Singular	Dual	Plural
Nominative	kṛṣṇakarma	kṛṣṇakarmaṇī	kṛṣṇakarmāṇi
Vocative	kṛṣṇakarman kṛṣṇakarma	kṛṣṇakarmaṇī	kṛṣṇakarmāṇi
Accusative	kṛṣṇakarma	kṛṣṇakarmaṇī	kṛṣṇakarmāṇi
Instrumental	kṛṣṇakarmaṇā	kṛṣṇakarmabhyām	kṛṣṇakarmabhiḥ
Dative	kṛṣṇakarmaṇe	kṛṣṇakarmabhyām	kṛṣṇakarmabhyaḥ
Ablative	kṛṣṇakarmaṇaḥ	kṛṣṇakarmabhyām	kṛṣṇakarmabhyaḥ
Genitive	kṛṣṇakarmaṇaḥ	kṛṣṇakarmaṇoḥ	kṛṣṇakarmaṇām
Locative	kṛṣṇakarmaṇi	kṛṣṇakarmaṇoḥ	kṛṣṇakarmasu

Compound kṛṣṇakarma -

Adverb -kṛṣṇakarma -kṛṣṇakarmam