The Aam Aadmi Party (AAP) supremo in his application contended that he is seeking such financial records of Jaitley and his family members from 1999-2000 to 2014-15, "to disprove" the claims made by the senior BJP leader against him and five other party leaders who were named in the defamation case.
Jaitley had filed the suit in 2015 seeking Rs 10 crore damages from Kejriwal, Raghav Chadha, Kumar Vishwas, Ashutosh, Sanjay Singh and Deepak Bajpai.
Jaitley has already denied all the allegations of financial bungling in the DDCA during his tenure.
When contacted, the lawyers for Jaitley said that they are yet to examine the application and "in any case, it is extremely mischievous for defendant to circulate the application in the media before it is listed before the court. They are only further adding to their defamatory remarks".
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Jaitley, in December last year, had appeared before the high court to record his evidence in connection with the defamation case.
Apart from the civil defamation case, Kejriwal and the five AAP leaders are also facing a criminal defamation case proceedings in which they had attempted to get stayed, till the civil suit is decided, but were unsuccessful in the endeavour.
The high court had on July 12 framed issues against Kejriwal and others in the matter, notwithstanding their claim that they had not made any defamatory statement against him in the DDCA case.
Some of the issues framed by the court include whether Jaitley was entitled for any damage for the alleged defamatory statements made by AAP leaders and what should be the amount.
"Whether the statements which are in public domain are actionable or not," the high court had said in one of its issues.