"It is a serious matter. If what has come to light is true then it needs to be investigated. This has come at a time when there are so many cases of financial irregularities and scams," BJP vice-president Mukhtar Abbas Naqvi said.
He wondered as to who could be behind such an act and alluded to somebody in government having an interest in bugging the Finance Minister`s office.
"Pranab Mukherjee is no. 2 in the Cabinet. Who is bugging its own ministers. It needs to be investigated. This raises a lot of disturbing questions," Naqvi said.
In reply to another question on differences between the government panel- headed by Mukherjee- and civil society members of the Joint Drafting Committee on Lokpal Bill, Naqvi said, "This has become a war of words between those who want a Lokpal Bill and the others who are for a Jokepal."
He maintained that BJP will take a call on the proposed all-party meeting on Lokpal when it receives an invitation from the government.
"We are against corruption and want that strong steps are taken to end it," Naqvi said.