PSU MantraSECL installed smart-classes in about 700 Govt schools of ChhattisgarhNewsmantraJuly 24, 2023 by NewsmantraJuly 24, 20230 SECL have made 696 smart classes in schools of Korba, Raigad ,Dharamjaigarh and Kharsia area, . Company has spend over Rs 16 crore to develop...