Check for each of the listed above …
1957 UN resolution … http://daccessdds.un.org/doc/RESOLUTION/GEN/NR0/131/30/IMG/NR013130.pdf?OpenElement
Here is some more
Observing that the governments of India and Pakistan haev aacepted the provisions of teh United Nations Commission for India and Pakistan resolutions of 13 August 1948 and 5 January 1949 and have reaffirmed their desire that the futire of the state of Jammu & Kashmir shall be decided through the democratic method of a free and impartial plebisicite conducted under the auspices of the United Nations.
http://daccessdds.un.org/doc/RESOLUTION/GEN/NR0/072/10/IMG/NR007210.pdf?OpenElement