Khurshid lands up in another controversy

Is there a history of tension between Law Minister Salman Khurshid and CEC S Y Qureishi that has led to the latest faceoff on the quota issue? Sources tell us the CEC had writted to the Prime Minister 2 weeks back complaining that Salman Khurshid was maligning his image. The PM had responded to this note assuring the CEC that of the government's highest esteem for the Chief Election Commissioner's office in effect stepping in to calm waters.