Question: Rajagopala Chidambaram know for his role in India's nuclear weapons program is scientist who has specialized knowledge in the field of what?
Sentence (from "Rajagopala Chidambaram"): Rajagopala Chidambaram (born 12 November 1936, PhD), is an Indian Physicist who is known for his integral role in India's nuclear weapons program; he coordinated test preparation for the Pokhran-I (1975) and Pokhran-II (1998).
Relevant evidence: Yes