<Li> Dr. R. Chidambaram, Chairman of the Atomic Energy Commission and the Department of Atomic energy . </Li> <Li> Defence Research & Development Organization (DRDO) <Ul> <Li> Dr. K. Santhanam; Director, Test Site Preparations . </Li> </Ul> </Li> <Ul> <Li> Dr. K. Santhanam; Director, Test Site Preparations . </Li> </Ul> <Li> Dr. K. Santhanam; Director, Test Site Preparations . </Li>

Who was president of india at time of nuclear test