SSC’s question vault system prevents paper leaks
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The Staff Selection Commission (SSC) in India has maintained zero paper leaks for the past five years by using a digital question bank called “Q Vault”.
The SSC, which recruits staff for the Indian government, moved to a system where subject-matter experts upload a large pool of questions to a secure digital vault throughout the year. These questions are then randomly selected minutes before each computer-based test (CBT) according to a pre-set blueprint for difficulty and question type.
The SSC eliminated printed question papers to remove a key vulnerability in the exam process, as printing creates opportunities for leaks. SSC Chairman S Gopalakrishnan explained that the agency now only assembles and encrypts question papers digitally shortly before the exam begins, sending them to over 200 test centres across India. The system holds between 100,000 and 200,000 questions at any time, ensuring a diverse range of possibilities for each test.
This approach differs from some other agencies that still use pen-and-paper exams with optical mark recognition (OMR) sheets, which are more susceptible to manipulation. The SSC also uses its own monitoring equipment at test centres, independent of the centres’ own hardware, to detect and prevent fraud. The agency currently manages a database of over two crore candidates and conducts exams with as many as 60 lakh test takers, making it one of the largest CBT administrators in the world.
