The Centre on Tuesday appointed senior IAS officer Lokhande Prashant Sitaram as the new Chairperson of the Central Board of Secondary Education (CBSE), amid continuing scrutiny of the Board's On-Screen Marking (OSM) system.Additionally, the government has appointed senior bureaucrat Varun Bhardwaj as the new CBSE secretary.According to the Ministry of Personnel, Public Grievances & Pension, Sitaram holds a Bachelor of Engineering (B.E.) degree in Mechanical Engineering and a Postgraduate Diploma in Industrial Engineering. The appointment comes after transferred CBSE chairman Rahul Singh and Secretary Himanshu Gupta, and constituted a one-member inquiry committee to examine issues related to the procurement of services for the board's On-Screen Marking (OSM) system.According to an official order, the inquiry committee will be headed by S Radha Chauhan, Chairperson of the Capacity Building Commission.The committee has been tasked with inquiring into matters relating to the procurement of services for the On-Screen Marking System by CBSE. The Chairperson has been empowered to seek assistance from officers of other offices, as required for the inquiry.The CBSE engulfed into a controversy after some class 12 students alleged that the scanned copies of their answer sheets uploaded by the board did not match their handwriting, raising concerns over possible answer-sheet mismatch in the On-Screen Marking (OSM) system.