Explanation:

- The JLL City Momentum Index ranks cities based on social and economic momentum, looking at factors like real estate, innovation, education, and connectivity.

- Bangalore (Bengaluru): Often referred to as the Silicon Valley of India, it's noted for its rapid growth in technology and innovation.

- Delhi: As the capital of India, it has significant economic and political influence but hasn't topped in dynamism in this context.

- Hyderabad: Another tech hub in India, known for its thriving business environment and IT industry.

- Chennai: Known for its automotive, software services, and hardware manufacturing sectors, but doesn't match Bengaluru's momentum.

Correct Answer: Option 1 - Bengaluru