Bishajari Lake is one of the nine Ramsar Site of Nepal. It is located in Chitwan district. This wetland lies adjacent in the buffer zone to Chitwan National park . The lake has finger like projections where as wetland area covers the area of 3200 hactres. Nepal being 4th most vulnerable country to climate change , lots of impact on ecosystem services is being noticed as well. This work examines the climate change ration as well as possible impacts and vulnerability as well.