It looks similar to fennel and cumin seeds and is highly fragrant, smelling like thyme. Its taste, however, is more like oregano and anise due to the bitter notes and strong flavor. Because of its pungency, a little goes a long way. Grown in India and Iran, ajwain, also known as carom seeds or bishop's seed. Ajwain Seeds provides Instant Relief from Acidity and Indigestion. It also helps to cure common cold and can be crushed and applied on the skin to treat infections or cuts.