Buy Bangla Local branded Radhuni. Radhuni, also known as wild celery seeds, is an aromatic herb with small and yellowish-brown seeds. The seeds are aromatic and slightly bitter-pungent in taste and their oral intake gives a sensation of warmth to the tongue. Radhuni is a popular spice in Bengali cuisine used abundantly in West Bengal. The Bengali cuisine makes extensive use of this spice. Bengalis easily recognize these spices. However, the rest of India will confuse it with ajwain or celery seeds. In Hindi, it is referred to as “Ajmod.” The word is derived from “Ajamoda” or “Ajamodika” in Sanskrit. It is known as “wild celery” in English.