During the excavations at Polonnaruwa Welikanda Kaudagala Stupa, many antiquities including 4 crystal caskets have been found in Shila Manjusa. According to the instructions of the minister in charge of the subject Mr. Vidura Wickramanayake, these caskets were exposed at the premises of the Department of Archaeology (17th). Crystals and a silver casket have also been found in this exposure. Excavations are still being carried out at the relevant site. For the unveiling of these caskets, the Maha Sangharatna, including Polonnaruwa Welikanda Kaudagala Aranya Senasanadhipa Devagala Pannaseehalankara, and Galgamuwa shanthabodhi, were present. The Secretary of the Ministry, the Heads of the Ministry including the Additional Secretary of the National Heritage Division, the Governor of the Eastern Province, Mr. Jagath Sumathipala, the Director General of the Department of Archaeology, the staff including the heads of the institutions and the heads of other related institutions, Professor P.B. Mr. Mandawala also participated in this event and the caskets were unveiled with the participation of the minister in charge of the subject.