F
Falcon
Sir.
They work on line of sight principle as far as I am aware. Also, they need a continuous supply of electricity and stable topography. Neither is available at present due to lack of 'authorisation' in the former (Posts in LoC do not have hard top roads or even tracks in many cases, have poor bunkers made of earth, rocks and tress and temporary at best) and lack of static mountains in the latter (Himalayas being young fold mountains).
Or were you being sarcastic here?