This was second such attack on Kejriwal in the last four days. He was attacked by a 19-year-old youth during his campaigning in Dakshinpuri area of South Delhi on Friday.
The former Chief Minister has been attacked a number of times in the past.
On March 28, he was attacked by a man, who claimed to be a supporter of Anna Hazare, during his election rally in Haryana.
In Varanasi last week, protesters threw ink on Kejriwal and a number of other party leaders during a roadshow.
