I am surprised how the Two Nation theory (validity of which is a seperate debate altogether and not related to this thread) is being bought about to resolve Kashmir. I am sure everyone would agree that Kashmiri seperatism was not a boiling issue until 90s and human rights abuses by the Indian army there. This is one of the reason why the local population never supported operation gibraltor and became the reason for its subsequent failure. Moreover, Kashmiris overwhelming (separatists included) prefer living together with Hindus and Buddhists in a single unified entity and this is shown time and time again in different opinion polls and political statements.
Anyways, what I wanted to contribute to this thread is some interesting material forwarded to me by a Kashmiri student(also happens to be a distant cousin) who took part in a conflict resolution poll in 2008-2009 conducted by Colin Irwin a well known name in conflict resolution around the world and played an important part in the Irish peace process. What I believe is that majority of us likes to uphold is genuine interests of the Kashmiri people, be they muslims or non-muslims, Indians or Pakistanis. There are a significant few who would like to polarize the situation and prefer to look after their own interests (i.e. Indian or Pakistani) at the detriment of the Kashmirs but that need not be the case. and then with an open mind read through the reports.
Bear in mind that these interviews were conducted in the aftermath of Amarnath yatra controversy and the mumbai attacks so that would have influenced some of the responses.
The best thing I like about this report is how it has not only tried to identify the problems but presented solutions to the people to "vote" on. They have also took pains to diffenretiate between Hindu Muslim and Buddhist opinions as well as opinions between Kashmir Jammu and Ladakh, with another subset for PaK.
The methodology of how the poll was conducted and how statistical quality was maintained is also provided. I will not provide my own opinions but would prefer everyone to read these with an open mind.
Pakistan Administered Kashmir information included report IaK vs Pak
Full report focussing only on IaK
Regarding the US mandated plebiscite, it seems that the resolution allows for only two options: join India or Pakistan. Independance is not on the table. So this following through with the UN mandated plebeciste would not solve the problem apparently. I will post some exceprts of the report later on that are significant but here is some fromt he website
Peace polls, an effective approach in helping resolve conflict