The purpose of this paper is to critically analyze the role of the UN on the conflict of J and K. The Kashmir Issue has been on the agenda of the UN since 1948. There are many stages of the UN's intervention for the resolution of this protracted conflict. There is a need to critically analyze the role of the UN in the conflict of J and K. This research paper will analyze the role of the UN in a critical manner to explore the causes and circumstances responsible for the failure of the UN in resolving this conflict. The findings of this paper will be based upon the literature review on the conflict of J and K and UN's mediation. This study can be very useful in the future to analyze the role of the UN in resolving international disputes and to evaluate the causes of the failure of the UN in different protracted conflicts.