ndia today expressed concern over EU's ban on medicines clinically tested by GVK Biosciences, saying it could lead to 'adverse campaign' about clinical trials done in the country... this particular ban which has been imposed on a particular company on a certain number of pharmaceutical products, we fear there could be this adverse campaign about clinical trials and the quality of clinical trials," Commerce and Industry Minister Nirmala Sitharaman said. She said the ban has come despite India engaging with the European Union and their regulatory bodies at various levels.