The Indus Valley initiated the growth of urban centers like Lothal, Rakhigarhi, Mohenjodaro, Dholavira and Kalibagan. The urban civilization of Indus was marked by multi-storied houses, use of burnt bricks for construction and drainage system.
The beginning of Indus Valley Civilization, marked the the Bronze Age in India. The impact of this age was extensively felt at Rajasthan, Haryana and Gujarat in India and parts of Punjab and Sindh that fall in modern Pakistan. The inhabitants of Indus Valley adopted new techniques in metallurgy. They started the use of bronze, lead, tin and copper.