Simply put hinduism arose from the vedic religion. Most of your ideas are from the vedas...not an argument regarding hindu philosophy simply proving my point that your religion came from foreign lands no matter how hard it is for you to digest.
The Vedas were composed by the priests sponsored by the Kuru Bharata dynasty in Haryana...that dynasty had an epoch defining war with the Alliance of Ten Kings and after that war everything west of Chenab became slightly taboo for the Veda-composing Aryans......Our unbroken religious history starts from the composition of the Vedas...We donot give a flying phacck who migrated from where before the composition of the Vedas...All we do know is that we were somehow connected with our Iranian cousins and somehow got estranged after the Battle of the Ten Kings......
and those who want to bring in IVC in the middle, where was all this historical knowledge regarding IVC before a Bengali systematically discovered it under the aegis of the British in the 1920s?
The historical memory of IVC is not even 100 years old..The historical memory of IVC in the modern populace is barely 70 years old after it was included in the school systems of the independent countries....
whereas the historical memory of the Rig Veda is 3,700 years old...the historical memory of the Buddha is almost 2,600 years old
But then again there are so so so many forest Gods deep within India that had little do with the Historical Fire Venerating Vedic Religion...You will see such peculiar Gods even to this day...such as this particular Goddess in Chattisgarh who is the designated patron Goddess and protector of the Bears of the Valley
For your information--->other than overtly Deist Brahmo Samaj ,none of the modern Hindu theistic devotional streams have anything, have anything to do with the non-dualism of the early pre-Buddhist Upanishads (they form an actual part of the Vedas)
and by the way even if you want a special seperate category for the North -West, India still has something up its sleeve
We are the originator, preserver, protector, promoter of Buddhism--->the first missionary philosophical praxis on the planet ....hard to beat that Indus Kaiser