Kejriwal's apology spree began last month, with "sorries" to the BJP's Nitin Gadkari, the Congress's Kapil Sibal and the Akali Dal's Bikram Singh Majithia.
Aam Aadmi Party leader Arvind Kejriwal was on Friday put on trial by a Delhi court on charges of defamation on a complaint filed against him by BJP leader Nitin Gadkari.
Pilot's demand to order a probe and take action in the alleged mining scam during the previous BJP government and other corruption allegations was supported by state cabinet minister Pratap Singh Khachariyawas.