Culture, as you rightly said by its organic nature evolve and that is why we tend to see different phases within a single culture/tradition.
Culture is such a loose, amorphous concept that it can be hard to describe even in the present context. Doing so to cultures millenia's back in time is very, very difficult and is so open to subjective interpretation. Examples of this can be seen when IVC is described as 'Indian' culture. That is hilarious.
For example, the early Neolithic settlements of Mehrgarh show how architecture, habitation structures, plant and animal domestication, food and ceramic industry evolved within a single tradition. But different cultures/traditions can be distinguished from each other for their own uniqueness based upon the geographical and climatic influences on it. For example, Mesolithic, proto-Neolithic and Neolithic traditions in Baluchistan, Kashmir and those in India have distinct dissimilarities.
Above exposes why I sometimes think there is no point in discussing with you guy's. You Indian's really treat the word "Pakistan" like a swear word. Just look at the duplicity on your part. You move from using names of provinces, Balochistan, Kashmir then you zoom out and use India. What was so wrong with saying Pakistan? Would that have given you cardiac arrest? You either use zoom in and say,
Balochistan, Kashmir, Bihar, Orrisa etc or use Pakistan and
India. Look how you jumped around but used the term "India" but avoided mentioning Pakistan.
Craft activities, burial practices, ceramic industry and habitant structures of the settlement west of river Indus show strong affiliations to those of Southern Turkmenistan and Northern Iran,
Again your aversion to "Pakistan". Tell me instead of saying "west of Indus" what was so horrible about just saying "Western Pakistan"? You were quite happy to add Northern and Southern to Iran and Turkmenistan. Would it have killed you to say "Western Pakistan"?
those in Kashmir shows similar affection to East Asian traditions and those in the Gangetic plains evolved their own traditions (like cattle pens that are quite distinct by its own character in the sub-continent)
Precisely what are you talking about? Links please?
Now coming to culture as a common binding factor; Indians knew the art of clay-wood architecture and sculpture much before they came heavily in contact with Persians and Greeks. The Bull and elephant in Sarnath abacus was a complete Indian concept of art (Vincent Smith). From Gandhara in the North West to Anga in the East, the artistic themes of cave architecture, stupas, pillars and stone inscriptions, not withstanding their regional variations was quite common throughout the subcontinent. Sanskrit and Prakrit classical Buddhist and Jain literature flourished, Socio-economic and religious systems in this vast swath of land remained unaffected by the political rivalries of the sixteen political republics. This is the reason, the Greeks, Chinese or Arab travellers consistently recognized the region as a cultural/civilization unit quite unique of its own from what they saw dominant West of Indus.
This is a dead horse your beating. Nobody here is trying to claim Ancient Pakistan was part of North America. We accept that it was part of a larger geographic area within which it shared some similarities as well as dissimilarities. Ancient Pakistan/Indus Basin is on the fracture zone between South/Central Asia and has been subjected by forces from both sides. This means while it shares some aspects with east but it also has influences from the west.
I would like to compare the subcontinent to Europe. Diverse but still having something in common. The Spanish or the Greeks have had significant influences from the Meditearean world. In fact places like Spain were even ruled by Muslim Arabs, Greece was ruled by Muslim Ottomans. However today they are all still considered part of Europe. Yet they still have their own history. That said they are not like Swedish.
The problems with Indian's is they refuse to give us our own space that Iberians of Spain/Portugal have. It is like somebody foisting a pan European history on Spanish that eradicates their unique history. I would like Indian's to regard Pakistan like Greece or Spain are regarded in the European context.
I think deep down you guy's refuse to accept the 1947 event. So you insist on grabbing our history whilst at the very same time act like we don't exist.You delude yourself into thinking we were just teleported to the Indus Basinin 1947. Pakistan, hell it might exist in reality when it comes to talk about terrorism, radicalism but talk ancient history you will go super averse to even using the term "Pakistan". This shows how even in 2015 you have not come to terms with 1947.