Sinha admitted that bringing the report before the media even before it was tabled in parliament was a breach of the parliamentary rules and procedures.
"This is contrary to the convention of parliament and should not be made public but the same has been overlooked by Chacko," he said.
"We have no hesitation in concluding, therefore, that the prime minister and the finance minister are equally, if not more, guilty in the 2G scam than Dayanidhi Maran and A. Raja since they carried a higher responsibility and it was their duty to prevent a scam of this horrendous proportion from taking place," the note added.
"The prime minster has failed to live up to the constitutional duty assigned to him," it said.
