This became necessary due to the need for textbooks in Sinhala and Tamil following the change in the medium of instructions in the school system from English. Since 1980, DEP has published free textbooks for grades 1–11 in all schools for all subjects. Provincial level Provincial councils play...
Sm. Costaceae (Family), commonly known as spiral ginger or crepe ginger in English, Thebu in Sinhala, is an everlasting rhizomatous herb distributed in the Indo-Malayalan region and Sri Lanka and widely used to treat several diseases in Ayurveda medicine, owing to its medicinal properties ...