The auditor has been at loggerheads with RIL over doing a field examination instead of auditing the production sharing contract through the books of the company.
While CAG does not conduct performance audit of private operators, it can do a performance audit of PSCs, covered under section 16 of the CAG's Act.
"Profit Petroleum is non-tax revenue credited to the Consolidated Fund of India and such audit would involve examination of all records including those of the operator which are relevant to our audit," an earlier statement by CAG said.
The petroleum ministry is expected to have a meeting with CAG and RIL to resolve this matter after the last such meeting got cancelled.
"The meeting was called at an official level to discuss the procedural issues of audit by CAG and due to administrative inconvenience, it was postponed on October 26, 2012
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