Cika jumla mai zuwa:
An nada Illangakoon a matsayin mai ba da shawara ga Ma'aikatar Tsaro a watan Afrilu na shekarar 2019, kuma an nada shi memba na Hukumar Bincike ta Shugaban kasa kan hare-haren Ista karkashin jagorancin Mai Shari'a Vijith Malalgoda, kuma gami da tsohon Sakataren Ma'aikatar Shari'a da Shari'a, Padmasiri Jayamanne, wanda aka ɗorawa alhakin binciken abubuwan da suka haifar da abubuwan da suka faru na Ista na 2019 a Sri Lanka.