Chandigarh, May 20 -- Chandigarh Police arrested 17 individuals across four examination centres for impersonating candidates and using electronic devices during the Navodaya Vidyalaya recruitment examination conducted on Sunday. The arrests were made following complaints from school principals. An FIR was registered at the Sector 26 police station based on a complaint filed by the principal of Moti Ram Arya Senior Secondary School, Sector 27, where two impersonators were caught. The accused, Ajay Kumar, 23, of Sangwan village in Bhiwani, and Monika Devi, 27, of Chattar village in Jind, were appearing on behalf of candidates Vikram from Hisar and Pooja from Narwana, respectively, a verification revealed. Biometric mismatches at the entry point had also raised suspicion. One of them was also found carrying an electronic device suspected to be used for cheating. At Mount Carmel School, Sector 47, 28-year-old Vishal Malik, a resident of Kanwas village in Hisar, was caught using an electronic device during the exam. An FIR was lodged at the Sector 31 police station. At St Anne's Convent School, Sector 32, two candidates, Ajay Kumar from Rohtak and Sonu Kumar from Hisar, were caught using electronic gadgets during the exam. An FIR was registered at the Sector 34 police station. The largest crackdown took place at Sri Guru Harkrishan Senior Secondary Public School, Sector 40-C, where 12 people, including three women, were caught using electronic devices during the exam. An FIR was registered at the Sector 39 police station. "We are investigating if these accused were part of a larger nexus. Their devices and call records are under scrutiny," a police officer said....