Dharavi area of Mumbai is an example of which industry?

Household/cottage industry

The correct answer is Option (4) → Household/cottage industry

Dharavi is one of the largest slum areas in Asia and is known for its small-scale and informal industrial activities. It is a hub for various cottage industries, including recycling, pottery, leather production, textiles, and small-scale manufacturing. Many people in Dharavi are engaged in these micro-enterprises, often operating out of small, home-based workshops. The area is famous for its recycling and informal industrial activities, making it a prime example of household or cottage industries.