M C Gupta, the Deputy Registrar, collected information about a paper setter from section officer (secrecy wing) Nandlal (who is also under arrest) and breached the secrecy of a paper of M Com final year, IG, Special Operations Group (SOG) Dinesh MN said.
With this, the total number of arrests in the case has reached to 18, he added.
Earlier several persons including some serving and retired professors of the Rajasthan University had been arrested for allegedly being involved in an examination question paper leak racket.
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