The construction of this Buddha Mandira was the brain child of President Mahinda Rajapaksa when he was the Opposition Leader.
Samadhi Buddha Mandiraya in Ratmalana Kothalawalapura was constructed with donations of local and foreign devotees.
Nayake Theras also participated in this opening ceremony.
Ministers Lakshman Yapa Abeywardena, Mahinda Yapa Abeywardena, Senior Minister A H M Fowzie and a number of politicians participated. An alms giving to 100 members of the Maha Sangha was also held.