What happened
OMR sheets were altered by Vyapam employees to pass favoured candidates; CBI filed a chargesheet against 26 persons over this test. Exact exam date not established; Jan-1-2012 placeholder used.
What was done
Arrests / FIR
Official probe — CBI/SIT
Source
Primary reference Outlook India ↗ https://www.outlookindia.com/national/india-news-cbi-gives-clean-chit-to-former-mp-minister-in-vyapam-scam-news-323886This entry summarises the linked report. Where the summary and the source disagree, the source wins — and please tell us.