In Indus Valley Civilisation (about 300 B.C.), the bricks used for construction work were having dimensions in the ratio
In Indus Valley Civilization (about BC 3000),the bricks used for construction work were having dimensions in the ratio of
(a) 5:3:2
(b) 4:2:1
(c) 4:3:2
(d) 6:4:2