does anyone know....how to download AHP extension for 10.1 arc map?
AHP is assumed to be known by all...it is not. what did you rule out in this link?
i am new user of Arc GIS.so please share any link if you could
Try this one
http://www.arcgis.com/home/search.html?q=geoprocessing%20ahp&t=content
There should be a thumbnail to the latest AHP 2.0 extension which runs with Arc 10.1.