KATHMANDU: American Ambassador to Nepal Alaina B. Teplitz called on Prime Minister KP Sharma Oli at Singha Durbar on Tuesday. During the meeting, the duo discussed issues related to the bilateral relations and the implementation of new constitution. On the occasion, ambassador Teplitz congratulated PM Oli and expressed best wishes for successful tenure. This is the first meeting of the ambassador Teplitz with Prime Minister Oli after she presented her credentials.