In a major development in the leak of Class 12th Economics Paper of CBSE, the Crime Branch has arrested three from Himachal Pradesh on Saturday.
A teacher, a clerk and support staff were among the arrested.
The Delhi Police will be briefing the media at 3:15 PM on Saturday to talk about the major breakthrough in this case.
After panic grips students, probe launched by SIT
The investigation began on March 28. Police said the hand-written paper was circulated on WhatsApp, and since the messages are end-to-end encrypted, tracing the source was difficult.
The firsts arrests happened from Jharkhand's Chatra district on March 31. Two directors of private coaching centres were held.
A senior official had said the leak either happened when papers were in the board's custody or bank's.
How students took to street against CBSE paper leak
The re-test for Economics of Class XII students made for numerous protests by students. They blamed CBSE for acting irresponsibly.
There were rumors that a Maths re-test for Class X students will also happen, but the HRD ministry decided against it later.
The ministry also advised students and parents to not fall for fake news about the leak of a Political Science paper.
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After huge setback, know what the HRD plans next
Reportedly, the leaked papers were handwritten. To combat a repetition of such incident, the HRD has set up a 'high-powered committee'. The panel will submit a report on May 31 and suggest technological ways to make a secure system for conducting examinations.