Answer : 1. "Inter Services Intelligence "
Explanation :

The Inter-Services Intelligence (ISI) is the premier intelligence agency of Pakistan, responsible for providing critical national security and intelligence assessments to the government. It was established in 1948 and operates under the jurisdiction of the Pakistan Ministry of Defence. The ISI is primarily focused on safeguarding Pakistan's interests, both domestically and internationally, and plays a crucial role in counterintelligence, counterterrorism, and strategic intelligence.