"After Rai assumed the office of CAG, its reports started leaking. Before him, CAG never made public the issues of confrontation with the government in this way," he alleged, saying that Rai had violated the oath of secrecy.
The Congress general secretary had said on Friday that he suspected Rai had political ambitions like his predecessor T N Chaturvedi.
The CAG arrived at the figure of Rs 1.86 lakh crore as the loss in coal allocation on the basis of 'Opportunity Cost Audit', he said.
In any case, CAG was not a probe agency, he added.