Question: Which of the people with which S. K. Sikka played a crucial role was an Indian physicist who is best known for his role in India's nuclear program during its early stages?
Sentence (from "Raja Ramanna"): Raja Ramanna "ರಾಜಾ ರಾಮಣ್ಣ" (Kannada) (28 January 1928 – 24 September 2004) was an Indian physicist who is best known for his role in India's nuclear program during its early stages.
Relevant evidence: Yes