"The Nanavati Commission was set up by Narendra Modi in order to help absolve himself of any wrong doing in Gujarat. Instead of four months, it has taken over 11 years and the inquiry report is still awaited," Sibal said on his website.
"Setting up a Commission of Inquiry by the Gujarat government in relation to snoopgate will meet the same fate," he said.
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He said there is "ample evidence" to suggest that various provisions of the Information Technology Act, Telegraph Act, IPC as well as right to privacy of a young girl and her family were violated in the snooping incident.
The Union Cabinet had yesterday decided to set up a Commission of Inquiry to probe charges of spying on the young woman in 2009 allegedly at the behest of Gujarat Chief Minister Narendra Modi.
The commission, to be headed by a retired Supreme Court judge, will also look into charges of snooping on Himachal Pradesh Chief Minister Virbhadra Singh by the previous BJP government when he was in the opposition as well as the leaking of the call data records (CDR) of BJP leader Arun Jaitley in Delhi.
"Section 3 of the Commissions of Inquiry Act authorises the central government to inquire into a matter of definite public importance even if a Commission of Inquiry is set up by the state, if the subject of inquiry impacts more than one state. Gujarat snoopgate involves more than one state and there is ample evidence to suggest that," the minister wrote.