Explanation:

- The World Hindu Economic Forum (WHEF) organizes annual meetings to promote economic prosperity among Hindu communities worldwide.

- Option 1: New Delhi - A major hub for conferences, often hosts international and economic forums.

- Option 2: Mumbai - Known as the financial capital of India, frequently hosts economic summits and forums.

- Option 3: Kolkata - A significant cultural and economic city, but less common for global economic forums.

- Option 4: Chennai - A South Indian economic hub, hosts numerous regional events.

- Option 5: Bengaluru - Known for its tech industry, often hosts global tech and economic events.

The 7th WHEF meeting was indeed held in Mumbai.