"Counter-insurgency" . . "IV Corps" . . "1945" . . . "Corps" . "1961" . . . . "Forward observer" . "IV Corps (India)" . . "IV Indian Corps" . . "Raiding" . . . "Cold-weather warfare" . "Indian IV Corps" . "Mountain warfare" . . . . . . "IV Corps (India)" . . "Reconnaissance" . "Close-quarters combat" . . . "1942" . "Combined arms" . "IV Mountain Corps" . . . "Jungle warfare" . . "IV" . "Urban warfare" . . "4 Corps" . . .