Which among the following does not have a 'free trade zone' ?

Detailed Solution:

The correct answer is “Thiruvanantpuram”.

Thiruvananthapuram does not have a dedicated free trade zone among the given options.

While Thiruvananthapuram is a significant port city, its focus is primarily on other economic activities. Kandla, Mumbai, and Visakhapatnam have well-established free trade zones to facilitate international trade and commerce.