NIGELLA SEEDS [ KALONJI ] The Black Cumin Seeds or Kalonji Seeds are obtained from a fruit that is large and inflated Caps. composed of three to seven united follicles each containing numerous seeds which are used as spice.The Kalonji or Nigella Seeds is an interesting spice – when used for tempering it s a beautiful aroma to the dishes and a hint of flavour that you can't quite nail. Dry roasted Kalonji is used for Flavouring curries Dal stir-fried vegetables etc.