HYDERABAD : Though there was no major impact of the COVID-19 pandemic during the last fiscal, Dr Reddy's Laboratories Ltd has said the company may face some uncertainties in the current financial year.Top officials of the city-based drug maker in the latest annual report said the dependence on China for the supply of intermediates and active pharmaceutical ingredients (API) will change in future as global pharma companies will want to reduce their dependence on that country and there ought to be more backward integration as firms attempt to establish themselves as end-to-end manufacturers"Overall, however, there was no major impact of the pandemic on either in Q4 FY2020 or the full year FY2020.