Replying to questions as to why it was needed when the state government has already set up a two-member inquiry commission, Singh said, "It is like the accused appointing the investigation agency."
The Centre's decision overrules the contention of the Gujarat government that it was a state matter and it had already appointed a commission for probing the matter.
The Union Cabinet's decision came against the backdrop of fresh claims that the alleged snooping was conducted beyond the state of Gujarat.
(With PTI inputs)