Yes, a graduate student can definitely apply for the IB ACIO (Intelligence Bureau Assistant Central Intelligence Officer) exam. In fact, graduation is the minimum eligibility requirement for this exam.

Key Points:

1. Educational Qualification : A bachelor's degree in any discipline is mandatory.
   
   
2. Age Limit :
   
   
   • For general candidates: 18–27 years.
   • Relaxation applies for SC/ST (up to 5 years) and OBC (up to 3 years).
     
     
3. Graduation Year : If you have completed your graduation or are in the final year, you are eligible to apply (provided you complete it before the document verification stage).

Graduates from any stream can appear, so you're eligible regardless of your specific degree. Let me know if you need further details!

I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.