Three persons have been arrested and question papers of a pre-university supplementary examination seized from them in Bangalore, police said on Saturday.
A sum of Rs 1.23 lakh was also recovered from them on Friday,the sources said
According to police, Shivkumar (60), a retired assistant teacher and his aides Basavaraj (32) and Rajendra (34) had collected money from parents of wards who were to appear for the Physics supplementary examination on Saturday.
They asked the students to report at a college last night and distributed the question paper. Shivkumar also made arrangements to have them answer the paper at night and next day drove them to their examination centre with the answer sheets.
Police suspect that Shivkumar had a conduit in the board who supplied the papers.
Shivkumar had earlier been arrested in a similar case, police said.
The papers seized tallied with the examination paper held in Bangalore on Saturday.