"The expose would be on corruption at 5 p.m.," the member said.
Kejriwal had earlier targeted United Progressive Alliance chairperson Sonia Gandhi's son-in-law Robert Vadra, Bharatiya Janata Party (BJP) national president Nitin Gadkari and industrialist Mukesh Ambani.
He had also taken up the issue of black money stashed abroad and accused a foreign bank of encouraging corruption in India.
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