Patna, May 3 -- In another fresh spate of allegations and counter-allegations overshadowed by claims of paper leak and student agitation, at least three important exams in Bihar now stand cancelled. While the Bihar Public Service Commission declared the cancellation of exams held for posts of assistant education development officer (AEDO) and assistant public sanitation and waste management officer (APSWMO), in a related development, the 3rd Professional MBBS (Part-2) exam of Aryabhatt Knowledge University was nullified after the students refused to appear for the paper "unless the atmosphere was made conducive for them to take the test on their terms". Varsity exam controller Rajiv Ranjan said the examination board had decided to cancel the two papers - held on April 30 and May 2 - on the basis of adverse reports. "The protest against "tight conduct of exam" continued during the second paper also after bags full of chits were recovered," said an invigilator, who did not want to be quoted. BPSC cancelled the exams following allegations of malpractice at the exam centres, said people in the know. However, BPSC clarified that during investigation, no concrete evidence of question paper leaked or going viral was found, but the attempt to affect the exam's sanctity was taken seriously. BPSC had conducted the AEDO exam in three phases with nine shifts for 935 posts between April 14 and 21. The first phase was held on April 14-15, the second on April 17-18, and the third phase on April 20-21. BPSC also conducted the examination of APSWMO on April 23. In the AEDO exams, 12 separate FIRs were registered with police stations in seven districts in connection with alleged cheating. So far, police have arrested 39 persons including 32 aspirants while the EOU has taken up four of the FIRs for further investigation. Although the mastermind has not been traced. P3...