KPSC Paper Leak: Source of question paper leak found, investigation continues CCB Chief has recently informed that the source of the KPSC question paper leak has been found and the investigation for the same is currently underway. advertisement UPDATED: January 25, 2021 15:35 IST The source of the leak has been found by the police in the KPSC paper leak case. HIGHLIGHTS Two accused have been arrested by the police in the case. The KPSC FDA examination has been postponed till further notice. The Chief of Central Crime Branch (CCB), Bengaluru has stated that the source of the question paper leak in the Karnataka Public Service Commission (KPSC) examination has been found through the investigation in the case, which is currently underway.