This invention relates to herbal composition for effective management of asthma. Particularly this invention relates to herbal drug comprising a hydrophilic solvent extract or powder of Diplazium esculentum or the active fractions as an effective component in allergic asthma. The extract of Diplazium esculentum used as an effective component is used to ameliorate the allergic symptoms related to allergic asthma. It is an herbal preparation which can be marketed in pharmaceutically acceptable vehicles such as sublingual tablets, capsules, inhalers/sprays, tonic, suspension etc in a palatable form which is effective in managing asthma, allergy, respiratory ailments, inflammation, infection, cough and cold and relate to its use as immune booster for protection against invading pathogens/allergens.
