President Mahinda Rajapaksa placed the blessed treasure within the Basal Rings of the 'Sandahiru Seya' in Anuradhapura this morning.
The occasion was held to coincide with the sacred Poson Poya full moon day.
Buddhist devotees from all parts of the Island converge in the holy city of Anuradhapura to celebrate the day on which the message of the Bhuddhism was brought to Sri Lanka.
The function was held at the site where the first of nine magnificent stupas is being constructed in appreciation of the noble services rendered by the armed forces and police in defeating terrorism and saving the nation.