There were two main rivers in the Indus Valley Civilization; The Ghaggar-Hakra and the Indus.
Drainage System
The discovery of the ancient ruins of Harappa by Dayaram Sahni in 1921 and of Mohenjodaro by Rakhaldas Banerjee in 1922-1923,both officers of Archaeological Survey of India. It is estimated that the Indus Valley Civilization flourished between 3,000BCE and 2,000BCE.
an ancient civilization that flourished in the Indus River valley, from about 2500 to 1500 b.c.: extensive archaeological excavations at the main sites of Mohenjo-Daro and Harappa in Pakistan
an ancient civilization that flourished in the Indus River valley, from about 2500 to 1500 b.c.: extensive archaeological excavations at the main sites of Mohenjo-Daro and Harappa in Pakistan
The Egyptian civilization around the Nile river, the Mesopotamian/Sumerian civilization around the Tigris and Euphrates, the Indus Valley civilization of Harappa and Mohenjo-Daro around the Indus river, and the Chinese/Shang civilization around the Yellow river.
Harrapa and Mohenjo Daro were the two largest settlements in the Indus Valley region.
Harappa And Mohenjo Daro
Although this limited outside contact, it is known that the early Indians used the Khyber pass through this range to communicate with other civilizations. In the future, groups would use this same pass to invade India. Two major cities of the Indus Valley Civilization have been discovered: Harappa and Mohenjo-Daro.
The British wanted to add Indus valley to their empire for two main reasons:-The region was fertile and populated, so there were profits to be made.If they controlled Indus valley, they could easily block any further Russian advance into Afghanistan.They conquered Indus valley in 1838
The biggest major rivers of India are: * flowing into the Bay of Bengal: Brahmaputra, Ganges(with its tributariesYamuna,Kameika, Gomti,Chambal), Mahanadi,Godavari, Krishna, Kaveri(and their main tributaries) * flowing into the Arabian Sea: Indus, Narmada, Tapti(and their main tributaries)http://en.wikipedia.org/wiki/List_of_rivers_of_India
The Harrappan culture developed in the Indus Valley along the Indus River. Water was the main ingredient that allowed the culture to flourish, like the Egyptian's with the Nile River, and the Mesopotamian's with the Euphrates and Tigris Rivers.