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CBSE · Class 6 · Social Science

The Beginnings of Indian Civilisation

The Harappan civilisation: its main sites, planned cities, the Great Bath, the Lothal dockyard, Dholavira’s reservoirs, seals, crafts and trade.

Key ideas

Remember

Great BathMohenjo-daro
DockyardLothal (Gujarat)
Water reservoirsDholavira (Gujarat)
One of the largest sitesRakhigarhi (Haryana)
Brick ratiolength : breadth : height = 4 : 2 : 1
Height of the civilisationabout 4,500 years ago
Volume of a tanklength × breadth × depth

Watch out

Worked example

A Dholavira reservoir is 75 m × 27 m × 6 m. (a) How many cubic metres of water can it hold? (b) If the town used 1000 cubic metres a day, how many full days would it last? (c) Why did Dholavira need reservoirs?

Working: 75 × 27 × 6; ÷ 1000

Answer: (a) 12,150 cubic metres (b) 12 days (c) It was in a dry region, so rainwater had to be stored.