In the 21st century, the only year-round residents are defence personnel.
The Centre holds the private papers of over 500 senior defence personnel.
By 18 January the number of defence personnel deployed had risen to 1600.
India has also set up huge numbers of polyclinics for former defence personnel.
There are no permanent human settlements in the region, though it has a large number of defence personnel who man the borders on both sides.
There have also been ministers responsible for defence personnel for most of the period since 1987.
The Centre holds the private papers of over 700 senior British defence personnel who held office since 1900.
Immediately after India achieved independence, a need arose for the government to manage the welfare of its defence personnel.
Was whether state road traffic laws applied to defence personnel as commonwealth agents on ordinary roads.
This is because at that time noone knew of the case of Missing defence personnel.