The decision could lead to a significant disruption in brewing products in India's second largest beer consuming state. However, the notice has not been issued to spirits manufacturers for their distilleries, and beer makers fear demand could shift towards hard liquor if there are supply constraints for their brands. Companies including United Breweries, AB InBev, Bira and Carlsberg together own seven breweries in Karnataka, all operating in three shifts and are among their largest in the country.