I am actually calling you son judging by your level of intellect, which I think is fair.
India was known by India , by whom? Think about it , put your thinking cap on, and ask this question, did your ancestors choose this name for themselves or it "choose" for them. And you are getting annoyed at me calling you a "son"?
How come the "ancient" Indian civilization ever existed, when the name itself is hardly 200 years old created by foreign colonials ? If you are referring to the colonial era of slavery and take that as your civilization, good on you. In Pakistan we take that as a shame.
Our ancestors in Indus river plains build and sustained our ancient country/empire/civilization, whatever you want to call it, for thousands and thousands of years, the whole region (not just Pakistan) is littered with their work and their cities that they build, the land they merged all around with heartland which is Indus valley, the pattern which was followed by Babylonians and Egyptians who came AFTER us. YOU on our east are at best the offshoot from us, like the rest, who went on to build their own Ganges civilization. With this historical background, always remember your place in this hierarchy. We, the present day people of Indus plain, call our land, "the land of pure" , Pakistan, by lineage , by blood, we sit on top of the human evolution as civilized beings. Your claims about ancient India is nothing more but delusional rant without any knowledge of the history.