These professional rivalries resulted in them hatching a conspiracy to declare him an infidel , which started through a propaganda campaign .
These professional rivalries continued later through the circulation of a fatwa , which had the fake signatures of Muhammad Rafi Usmani of Darul ' Uloom Karachi .
These professional rivalries resulted in them hatching a conspiracy to declare him an infidel , which started through a propaganda campaign , and continued later through the circulation of a fatwa , which had the fake signatures of Muhammad Rafi Usmani of Darul ' Uloom Karachi .