What happened
The cited official source confirms 7 years. This is a concise exam-oriented current-affairs point.
Verified fact: 7 years. Remember the exact number, programme, institution, year or national milestone for objective examinations.
Credit validity maximum: 7 years.
The cited official source confirms 7 years. This is a concise exam-oriented current-affairs point.
Useful for SSC, Banking, Railway, UPSC and state-exam current-affairs revision.
Answer: 7 years
Why: Correct answer: C. The cited official source confirms 7 years. Therefore, option C is correct.
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