This kingdom shares similar characteristics with the Maurya Empire. To create a peaceful and productive relationship with the raja you should use Buddhism as a common quality to share and promise good general welfare for the people. You should also create Buddhist based laws, this will promote his way of ruling, which him and his people value.

Ashoka used his beliefs in Ahisma and Buddhism to change declarations. This proved to be very successful for his people and was one of the highest points of the Maurya Empire. p. 77

Kiana-Scenario for Raja #3 (Religion)

Ashoka created edicts that promoted general welfare and good relations with his people. These edicts were written on pillars all over India and called for peace and respect for all people and assured them he was focused on their well-being p. 76