Match the following Description in List 1 with the year associated with it in List 2 correctly:

(A)- III, (B)- I, (C)- IV, (D)- II

The first NAM summit was held in September 1961 in Belgrade, Yugoslavia.

In 1956, when Britain's actions targeted Egypt regarding the Suez Canal dispute, India assumed a leadership role in global protests against this neo-colonial intervention.

In the early phase of 1999, forces purporting to be Mujahideens occupied numerous points on the Indian side of the Line of Control (LoC) in the Mashkoh, Dras, Kaksar, and Batalik sectors. The suspicion of Pakistan Army involvement prompted Indian forces to respond, culminating in a confrontation between the two nations known as the Kargil conflict.

Another pivotal milestone during the 1970s was India's inaugural nuclear explosion in May 1974.