In 1800 CE, the King of Mungkang located in Upper Burma sent his envoy Panchamru with letters and presents. The envoy of Mungkang came by the route through Mahang, arrived at Jorhat in time. Following the customs of his predecessors, Kamaleswar Singha received the ambassador of Mungkang at Ranghar, wearing a turban and a cloak. Two platforms were erected on the two sides of the hall, which were occupied the Ahom nobles and officers, according to their rank and statues. After the formal reception of the envoy, the objectives of the letter were disclosed before the King, in which friendly relations with Ahom King was desired by the King of Mungkang. Kamaleswar Singha also sent gifts and letters with cordial message in the hands of the envoy of Mungkang and sent them to the King of Mungkang.