Using the google geocode API I am unable to get administrative_level_1(state) information for location on border of India (Kashmir, Arunachal Pradesh, ...). Can anyone help me with this?
see issue 8450 in the issue tracker
from that issue:
http://en.wikipedia.org/wiki/List_of_territorial_disputes
In disputed areas, geocoding results have no country (and sometimes no administrative_area_level_1). Reverse geocoding for disputed areas returns no results (e.g. 34.0836581,74.7973681). There is work underway to make reverse geocoding work in disputed areas.