Explanation:

- Rishira is recognized for its industrial activities.

- Cotton Textile: This industry involves production from cotton and has key hubs in various Indian cities.

- Jute Textile: Rishira, located near Kolkata, West Bengal, is well-known for its jute industry.

- Silk Textile: This textile often involves regions known for sericulture, like parts of Karnataka and Assam.

- Woolen Textile: Centers for woolen textile are typically in cooler regions, such as parts of North India.

Your assessment is correct. .