INDIAN HISTORY

Detailed explanation-1: -Danino who studied the Dolavira settlement-the largest Harappan civilization site in India-found1 that the dimensions used were exact multiples of 1.904 metre, a unit that he assumed to be the dhanus mentioned in Arthasastra.

Detailed explanation-2: -Harappans were among the first to develop a system of uniform weights and measures that conformed to a successive scale. The smallest division, approximately 1.6 mm, was marked on an ivory scale found in Lothal, a prominent Indus Valley city in the modern Indian state of Gujarat.

Detailed explanation-3: -Most of the things that have been found in Harappa by archaeologists are made of stone, shell and metal including copper, bronze, gold and silver. Copper and bronze were used to make tools, weapons, ornaments and vessels. Gold and silver were used to make ornaments and vessels.

Detailed explanation-4: -A ruler or scale used now a days to measure length was invented by William Bedwell.

Detailed explanation-5: -P. N. Seth was the founder and secretary of the Indian Decimal Society, whose aim it was to push for the introduction of the metric system in India.