In the middle of increasing pressure with regard to alleged irregularities in the 10+2 exams, Vishun Roy College's principal Bachcha Rai surrendered to the police in Vaishali on Saturday.
FIR was registered against four students and director of the college in Bihar School Examination Board (BSEB) results issue.
After furor over Bihar Board examination toppers not being able to answer basic questions related to their stream led to a re-examination, Chief Minister Nitish Kumar said last week that guilty won't be spared.
Special Investigation Team (SIT) of the Bihar Police had on Thursday arrested five persons in connection with the state board exams scam.
On June 4, board had cancelled results of two toppers of the Intermediate (Science) examinations after they failed to prove their merits in a re-test.