Explanation:

The Swatantra Party was founded to promote free-market policies and oppose what was seen as the socialist centralization of power in Indian politics:

- Option 1: C. Rajagopalachari - Correctly identified as the founder of the Swatantra Party in 1959. He was a former Governor-General of India and established the party to advocate for economic liberalism and individual freedoms. Correct Answer

- Option 2: Deen Dayal Upadhyaya - A key figure in the Bharatiya Jana Sangh, but not associated with the founding of the Swatantra Party.

- Option 3: Shyama Prasad Mukherjee - Founder of the Bharatiya Jana Sangh, not the Swatantra Party.

- Option 4: Acharya Narendra Dev - Associated with the socialist movement and not linked to the Swatantra Party.