What is the NOT a specialisation of Comprehensive Ports?

Restrict handling to manufactured goods only

The correct answer is Option 3: Large volumes of Passenger Traffic.

Option 3: Restrict handling to manufactured goods only — incorrect, because comprehensive ports handle a wide variety of cargo, not only manufactured goods.

NCERT: Generally, ports are classified according to the types of traffic which they handle. Types of port according to cargo handled:
(i) Industrial Ports: These ports specialise in bulk cargo-like grain, sugar, ore, oil, chemicals and similar materials.
(ii) Commercial Ports: These ports handle general cargo-packaged products and manufactured good. These ports also handle passenger traffic.
(iii) Comprehensive Ports: Such ports handle bulk and general cargo in large volumes. Most of the world’s great ports are classified as comprehensive ports.