Introduction:
The AFCAT (Air Force Common Admission Test) is a national-level entrance exam conducted by the Indian Air Force for the recruitment of officers in various branches. Admit card is a mandatory document that all candidates must carry to the exam center. However, along with the admit card, it is also necessary to carry a photo identity proof. Let's understand why it is important.

1. Verification of Identity:
- The photo identity proof serves as a means to verify the identity of the candidate appearing for the exam.
- It helps in preventing any fraudulent activities or impersonation during the exam.
- The exam authorities can compare the details mentioned on the admit card with the identity proof to ensure that the candidate is genuine.

2. Avoiding Confusion or Misidentification:
- In case there are multiple candidates with the same name appearing for the exam, the photo identity proof helps in distinguishing between them.
- It helps the exam authorities to correctly identify the candidate and avoid any confusion or misidentification.

3. Security Measures:
- Carrying a photo identity proof adds an extra layer of security to the examination process.
- It ensures that only the authorized candidates are allowed to appear for the exam.
- It helps in maintaining the integrity and fairness of the examination system.

4. Compliance with Examination Rules:
- Carrying a photo identity proof is a mandatory requirement mentioned in the examination guidelines.
- Failure to present a valid identity proof may result in the candidate being denied entry to the exam center.
- It is important for candidates to comply with all the rules and regulations to avoid any inconvenience on the day of the exam.

Conclusion:
Carrying a photo identity proof along with the AFCAT admit card is necessary for several reasons. It helps in verifying the candidate's identity, avoiding confusion or misidentification, ensuring security measures, and complying with examination rules. Candidates must ensure that they carry a valid and government-issued photo identity proof to the exam center to avoid any complications during the AFCAT examination process.