IB ACIO stands for Intelligence Bureau Assistant Central Intelligence Officer. It is a General Central Service, Group 'C' (Non-gazetted, Non-Ministerial) post under the Ministry of Home Affairs in India. The IB ACIO exam is conducted to recruit candidates for Grade II, Executive positions within the Intelligence Bureau. It is a prestigious examination conducted at the graduation level, and candidates need to fulfill the eligibility criteria, including being between 18 and 27 years of age and having a graduation degree from a recognized university. The exam consists of two tiers, with Tier 1 being conducted online and consisting of multiple-choice questions, and Tier 2 consisting of an Essay and English comprehension & précis writing. The position offers a competitive salary range, starting from Rs 44,900 to Rs 1,42,400 per month, along with various allowances