Ajwain is a herb also known as Bishops Weed. This beneficial herb is used in culinary process as spice as well as a major ingredient of different kind of medicines.Ajwain seeds are small in size but taste hot, penchant and bitter.It acts as good appetizer, laxative and stomachic. It is used as effective remedy in managing ailments like vomiting, mouth diseases, pile, treatment of ascites, abdominal tumor, abdominal pain etc.jwain seeds are small in size but taste hot, penchant and bitter. It acts as good appetizer, laxative and stomachic. It is used as effective remedy in managing ailments like vomiting, mouth diseases, pile, treatment of ascites, abdominal tumor, abdominal pain etc.