The notice says that Kejriwal's remark against Gadkari is false and defamatory. It is aimed at tarnishing the BJP leader's image, says the notice.
Gadkari has asked Kejriwal to apologise for his comment within three days. Kejriwal on Friday morning had mentioned Gadkari's name in his list of most corrupt politicians.
The list included Suresh Kalmadi, Nitin Gadkari, Sushilkumar Shinde, BS Yeddyurappa, Kapil Sibal, Mulayam Singh, Kamal Nath, Veerappa Moily, Ananth Kumar, Anurag Thakur, Sharad Pawar, Praful Patel, P Chidambaram, Alagari, Kanimozhi, A Raja, Tarun Gogoi, Mayawati, Naveen Jindal.
Kejriwal said his party would field candidates against the corrupt leaders and oust them from power.