Subject: IR Context: Several soldiers injured during faceoff between India and China along Sikkim border last month Concept: Line of Actual Control (LAC), is 4,057-km porous border running through glaciers, snow deserts, mountains and rivers separate India and China. The LAC traverses three areas — Western (Ladakh, Kashmir), middle (Uttarakhand, Himachal) and eastern (Sikkim, Arunachal). […]