He took the regnal name of Silamegha and appointed his cousin Aggabodhi (son of King Mahinda I} as the yuva raja.
The yuva raja detecting this change of heart from the king fled to Ruhuna and collected a large army where he initiated a civil war.
He was defeated at Kadalinivatha and the former yuva raja became a fugitive in the hill country (Malaya District).
Pearls, golden flowers, precious stones, ivory and pieces of fine cotton clothes were sent as gifts to the Chinese emperor in the embassy of 742 A.C. by King "Chi-lo-me-kia" Silamegha) according to the chronicle.
A Brahmin was the ambassador of the 746 A.C. embassy to the Chinese court, carrying head ornaments of gold, precious neck pendants, forty webs of fine cotton cloths and the "Maha Parinibbana Sutra" of Buddhism.