KATHMANDU: Ambassadors from various countries of the European Union today met Prime Minister Madhav Kumar Nepal and suggested him to make the aircraft-purchase for Nepal Airline Corporation, a transparent process. According to Rajan Bhattarai, foreign advisor to the PM, Ambassadors advised the PM to take into consideration the existing laws and regulations during the proceedings. Ambassadors, in the meantime also lauded the PM's effort in tackling the climate change.