Chandigarh is a planned city. You'll rarely see any open drainage system there. Why is that? [3 MARKS]

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Solution

Explanation: 3 Marks

Open drain system is a breeding place for flies, mosquitoes and organisms which cause diseases. Hence open drainage is never opted for when plannin for a town. So, Chandigarh being a planned city, doesn't have any open drainage system. Instead the city has a well planned underground network of pipes for disposal of sewerage. The system has been designed according to natural slope of the city for sewage to flow under gravity.

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