Government Accounting Standards Advisory Board (GASAB), constituted by the CAG in 2002, had prepared a concept paper on Natural Resource Accounting (NRA) envisaging short, medium and long-term goals starting from 2020
Rai’s apology comes in a matter where he had accused Nirupam of pressurizing him to keep the then Prime Minister, Manmohan Singh's name out of the CAG report on the scam.