NEW DELHI: CBSE has decided to allow students and staff to use masks and sanitisers during the ongoing Classes X and XII Boards. Separately, the Centre wrote to states and the CBSE on Wednesday asking them to spread awareness among students on basic preventive measures against Covid-19.A CBSE statement said, “In view of the inquiries received, it is clarified that face masks and sanitisers may be carried by students, if they so desire, to examination centres.”