Introduction
The United Nations (UN) is established on 24 October 1945 to promote international co-operation. It is an intergovernmental organization established to replace the ineffective League of Nations after the Second World War. In the beginning the UN had 51member countries and now there are 193 member countries for UN. The organization is financed by assessed and voluntary contributions from its member Countries. UN has an objective of maintaining international peace and security, promoting human rights, fostering social and economic development, protecting the environment, and providing humanitarian aid in cases of famine, natural disaster, and armed conflict. Major part of UN responsibility is to maintain world peace. For ensuring world peace UN has United Nations Peace keeping operations in short term UNPKO though out the world were conflicts are going on. Bangladesh is an active member of UN and participating in UNPKO in many countries of the world. UN Peacekeeping has never been as large, complex and demanding as it is today. More than 100,000 peacekeepers are deployed across the globe, where Bangladesh has consistently been one of the most significant and frontline troops and police contributing countries. As of now, we are the second largest troops contributing country with (1,830 police, 73 UNMEM and 6,605 troops) attached to various UN peacekeeping forces worldwide in November, 2013.There are total 63 Peacekeeping Operations conducted since 1948. Bangladesh has participated in 44 UN missions, which include 30 completed missions and 12 ongoing ones. So far 82,692 peacekeepers from Bangladesh have completed UN Mission and 10596 peacekeepers are currently deployed, which includes the members from Both Bangladesh Armed Forces and Police. First deployments of Bangladeshi Army in UNPKO came in 1988, when it has participated in two operations - United