Besides, the three sub-groups of Chief Ministers at work on the Centrally Sponsored Schemes, Swachch Bharat Mission and Skill Development are working under the auspices of the NITI Aayog, he said.“So we have been busy,” he said, adding, "at present, Aayog is undertaking the Mid-term Review of the 12th Five Year Plan, working on regulation in infrastructure, National Energy Policy and Information Technology Policy.