Explanation:

- Option 1: Salim Ali

Salim Ali was a famous ornithologist and naturalist, known as the "Birdman of India." He was not involved with space research or the Vikram Sarabhai Space Centre.

- Option 2: S. Somanath

S. Somanath became the Director of the Vikram Sarabhai Space Centre (VSSC) in January 2018. His background is in aerospace engineering, and he has been a significant figure in India's space program.

- Option 3: Jayant Narlikar

Jayant Narlikar is an acclaimed astrophysicist. He is well-known for his work on cosmology but has not been associated with VSSC as Director.

- Option 4: C. N. R. Rao

C. N. R. Rao is a distinguished chemist. His work is primarily in the field of solid-state and structural chemistry, not related to space research.

Correct Answer:

Option 2: S. Somanath