Pakistan, June 11 -- As the old saying goes, "Those who do not learn from history are doomed to repeat it." That warning has never felt more pressing than along India's frontier with Myanmar. Over the past three weeks, three major militant attacks have rattled Indian security forces-first in Manipur's Chandel, then in Nagaland's Mon district, and most recently in Arunachal Pradesh's Longding.

On June 5, Indian security forces in Arunachal Pradesh's Longding district engaged in a fierce firefight with heavily armed militants. The insurgents used the dense forest cover to their advantage, unleashing intense gunfire before slipping back into Myanmar's territory. The very next day, during a search operation, two militants belonging to the ba...