On the directions of Operations DIG Jawad Ahmed Dogar and Operations SP Rana Abdul Jabbar, a search operation was carried out in madrassas in a bid to crack down on various criminals in the city on Wednesday. Dogar said that they were doing their best to ensure secure elections. He said that following the Fourth Schedule they screened 2,026 students studying in 48 madrassas of the city, while carrying out search operation against drug peddler, target offenders and other various criminals.