Jain said his daughter Saumya was never appointed by the government in any capacity and she had merely worked as a volunteer in a mohalla clinic project. Jung has said that CBI has registered an FIR in the matter.
He accused Jung of "lying" over the case involving Nikunj Aggarwal, a relative of Chief Minister Arvind Kejriwal's wife.
Jain said Aggarwal was never sent on a trip to China as claimed by Jung.
Jung's remarks that Kejriwal may face "criminal charges" over irregularities found by the Shunglu Committee in the decisions taken by the government has triggered a fresh row.
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On appointments made by DCW chief Swati Maliwal, Jain said an expanded workforce was necessitated due to her redoubled efforts in taking up cases.
"This is all keeping the Punjab polls (on February 4) in mind and it seems he (Jung) is campaigning. He should lead a peaceful post-retirement life which he so wanted. Why is he creating nuisance," he asked.
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