Correct Option: D

A. P. J. Abdul Kalam is popularly known as the Missile Man of India for his work on the development of ballistic missile and launch vehicle technology. As the Executive Director of the Integrated Guided Missile Development Program (IGMDP) of India, he played a major part in developing many missiles under the mission including Agni, an intermediate range ballistic missile and Prithvi, the tactical surface-to-surface missile.