[1] He initiated diplomatic relations with the Chinese emperor and oversaw the development of Nepal as a trade gateway between India and Tibet.
Nepal exported some finest quality handmade paper, along with musk, orpiment, blankets, etc.
Upon his arrival, he discovered that the King Harsha had died the previous year and Arunasva had usurped the throne.
Narendra Deva adopted the same royal title (paramabhattaraka maharajadhiraj) as Amshuverma and was a devotee of Lord Shiva.
[3] According to a legend, he retired to a monastery in his old age and was succeeded on the throne by his son Shivadeva II.