Select the correct alternative of the basis of the given statements on the drainage system of the Harappan civilisation.
Statement I: In most of the Harappan cities, the houses had open drainage systems outside.
Statement II: In the Harappan civilisation, water and garbage used to drain out from the drains located outside the houses and go into the main underground drain.

Correct option is C

The correct answer is (c) Only Statement II is true.
· Statement I: In most of the Harappan cities, the houses did not have open drainage systems outside. Instead, they had a sophisticated and well-planned underground drainage system. The drains were covered and ran along the streets, connecting the houses to the main drainage system.
· Statement II: In the Harappan civilisation, water and garbage were indeed drained out from the houses through drains located outside, which then connected to the main underground drainage system. This system was designed to efficiently manage wastewater and solid waste, ensuring cleanliness and sanitation in the cities.