Haris Khalid Butt Roots Internatinal. The City School (Ravi campus). Bahria Town School. Johar Town Campus 00923116333666 Subject: Accounting O/A-Level Schools: Roots International. The City School (Ravi campus). Bahria Town School. Qualification: M.A Economics. A.C.M.A Master in Accounting. M.phil in Finance. Campus of GreenHall Academy Johar Town Campus.