Anyway all just still rumors (with some explanation):

In widely shared "speculative" versions, which has neither been confirmed nor denied by MRT Corp, the Circle Line will have stations at Bukit Kiara (interchange with Kajang MRT), INTAN-National Science Centre, Sri Hartamas, Mon't Kiara, Jalan Duta, Matrade, Segambut Tengah (interchange with KTMB), Sentul Barat (interchange with the currently under construction Putrajaya MRT Line), Sentul Timur (interchange with the Ampang LRT line), Setiawangsa (interchange with Kelana Jaya LRT line), Pandan Indah (interchange with Ampang LRT), Taman Midah (interchange with Kajang MRT), Salak Selatan (interchange with Sri Petaling LRT), Bandar Malaysia South (interchange with Putrajaya MRT), MidValley (interchange with KTMB), Kerinchi (interchange with Kelana Jaya LRT), and Universiti Malaya Medical Centre, among others.