Courses by Open University of Sri Lanka / Courses in Sri LankaDiploma in Food Science 2021 / 2022 – Open University of Sri Lanka October 28, 2021October 28, 2021 Closing Date – 2021-11-17 Here you can see the English Advertisement… ad-en-20211027-1 English AdvertisementDownloadOnline ApplicationApply OnlineSource – Daily News (2021.10.27)