Black Day is a Spy Action Adventure Imran Series Novel by Mazhar Kaleem. Zionists and Israil have always planned conspiracies against various Muslim Countries especially Pakasia, because Pakasia is the only country with enough Courage and Technology to stand against Israil. In Black Day Novel, a Powerful Jewish Organization planned to destabilize Pakasia so Kafiristan may take over Pakasia. Tiger and Four Star Members of Pakasia Secret Service took stand against this horrific plan. X-2 also issued orders for a Foreign Mission to destroy Jewish Organization Black Day Headquarters in Israil. Ali Imran and Four Star members of Pakasia Secret Service reached Israil to complete the mission. Did they complete the mission ? Did they come back alive? Read the novel to find answers to all these questions.