The arrests came after recent searches at four locations -- one in Delhi and three in Ghaziabad, they said.
According to officials, a candidate carried his mobile phone inside the hall hiding it in his innerwear, clicked a photo of the question paper and sent it on WhatsApp.
A total of 10,66,000 students are appearing in the class X school leaving examination conducted by the West Bengal Board of Secondary Education.
Police arrested Anil Francis, 31, from Kochi Airport when he was trying to escape to Dubai after he learnt that police were on his trail.
A Central Crime Branch (CCB) team claims to have major clues to the whereabouts of Basavaraj, the second prime accused in the constable exam question paper leak case.
The principal of a school, whose two teachers were arrested for their alleged role in leaking class 12 economics paper, was grilled today for over six hours by the police.
The CBSE sent a confidential note to all examination centres in Delhi on Saturday, which carried a set of ten instructions to be followed to introduce the new system.
The Mother Khajani Convent School, whose two teachers were arrested by the Delhi Police in connection with the Class 12 economics paper leak, is under the scanner.
Earlier in the day, the Delhi Police arrested two teachers of a private school and a tutor for involvement in the leak of the class 12 economics question paper.
The accused were identified as Rishabh and Rohit, teachers at a private school, and Touqeer, a tutor at a coaching centre in Bawana.
The Class 12 Hindi (Elective) paper being circulated on the social media was fake, the CBSE said Saturday and urged the people not to spread rumours regarding the paper.
Scuttled holiday plans, clashes with entrance dates, another round of tuitions and the 'phobia' of facing examination day yet againsum up the dilemma being faced by class 10 and 12 students of CBSE.
Parents of almost a dozen students, who were part of the WhatsApp groups where leaked question papers were shared, have told the investigative team that they paid money to get the paper.
CBSE paper leak: Police writes to Google, seeks details of ID used to send email to board's chairperson
The Delhi Police's Crime Branch identified over 10 WhatsApp groups, each having 50-60 members in connection with CBSE paper leak.
Express breaks down the journey of the question papers and the possibility of leakage step-by-step.