New Delhi, March 28: The CBSE on Wednesday said it will re-conduct examition in the maths and economics papers for Class X and Class XII respectively following the leak of question papers even as a Delhi Police probe is underway. “The CBSE has decided to re-conduct the examition to uphold the sanctity of board examitions and in the interest of fairness to the students,” said a Central Board of Secondary Education (CBSE) statement. The new dates for the examitions and other details will be hosted on the CBSE website within a week. The CBSE held the exam for the Class XII Economics paper on Monday and the Class X Maths paper on Wednesday.