Two Year Higher Diploma in Social Work 2020 / 2021 – National Institute of Social Development 2021-04-262021-10-10 Applications.lk Closing Date – 2021-May-17 Sinhala Advertisement ad-si-gz-20210423-4 Sinhala AdvertisementDownloadApplication (Sinhala)DownloadSource – Gazette (2021.04.23) Share this:TweetWhatsAppTelegram