4 held for providing 'solvers' for UP Assistant Teacher Exam 
Special Task Force (STF) field unit of Prayagraj, Uttar Pradesh on Sunday busted a paper-solver gang and arrested four of its members. The members were arrested while they were appearing for other candidates in UP Assistant Teacher Examination 2019. During interrogation, prime accused Nagendra Singh told STF that he used to charge â¹2.5-3 lakh from each candidates taking their help.