Mr Kejriwal had tested positive on Tuesday, a day after holding a political rally in Dehradun in poll-bound Uttarakhand.
A week before testing positive, the Aam Aadmi Party national convenor had actively campaigned in poll-bound states of Punjab, Uttar Pradesh, Uttarakhand and Goa.
On December 30, he led a victory march in Chandigarh after the AAP won 14 of the 35 wards of the Chandigarh Municipal Corporation.
The Delhi CM then participated in a Shanti march in Patiala on December 31, days after a bomb blast occurred at a court in Ludhiana and the sacrilege attempt at the Golden Temple in Amritsar.
On January 2, Mr Kejriwal held a rally in Lucknow and on January 3 he was in Dehradun for campaigning where he addressed a public gathering.
