Courses by Sri Lanka Standards Institution (SLSI) / Courses in Sri LankaSLSI April 2022 Training Programmes – Sri Lanka Standards Institution March 22, 2022March 22, 2022 Date – 2022-04-01/05/06/07 Here you can see the English Advertisement… ad-en-20220322-1 English AdvertisementDownloadSource – Daily News (2022.03.22)