<Ul> <Li> Dr. K. Santhanam; Director, Test Site Preparations . </Li> </Ul> <Li> Dr. K. Santhanam; Director, Test Site Preparations . </Li> <Li> Atomic Minerals Directorate for Exploration and Research <Ul> <Li> Dr. G.R. Dikshitulu; Senior Research Scientist B.S.O.I Group, Nuclear Materials Acquisition </Li> </Ul> </Li> <Ul> <Li> Dr. G.R. Dikshitulu; Senior Research Scientist B.S.O.I Group, Nuclear Materials Acquisition </Li> </Ul>

Who was india's president when his first nuclear test were conducted