Sorry but there was no partition all our civilization did is regain our independence/freedom from the British Empire hence why we refer to it as "independence day" not "post partition day".
For those parroting the "Hindustan" nonsense get real there never was any such country nor has the term, particularly when used by foreigners, ever been used to refer to any particular religious or ethnic group or even people with a shared history and common government much like the term "Asia" today. "India" as a country never existed before the British occupation of countries like Pakistan, Bangladesh, Myanmar, etc... In fact
the oldest known name for Pakistan was one used by Mesopotamia which referred to our nation as "Meluha" and our coastline as "Makran" (pg. 285 of "History of Civilizations of Central Asia, Volume 1")
from about 2500 BC and our did not encompass modern day India (other than Gujrat and small sections of Punjab but at this time the Indian peoples would not have reached our borders).
The Pakistani civilization (which includes Kashmir) and Indian civilization are two distinct groups with our civilization having been born and flourished within Pakistan. Our civilization was composed of two neolithic settlements the most significant being that of Mehrgarh and the much smaller settlement of Burzahom (located in the portion of Kashmir India now occupies) which spread throughout Pakistan particularly along the Indus and it's tributaries just as the Mesopotamians spread along the Tigris and Euphrates, the Egyptians along the Nile and the Chinese along the Yellow River. India's civilization on the other hand began in two locations the first was the Belan Valley from where they spread into the Gangetic valley and eventually along the Ganges the other being settlements located in Tamil Nadu.
Kashmir is our ancestral territory and they are our people.
Your state sponsored terrorism of the innocents and continued denial of their right to self determination is both a violation of their human rights and complete hypocrisy considering you were once asking for the same from the British.
However, we will continue to support our Kashmiri brethren in their quest for freedom.