Kejriwal was suffering from fever and in his speech after taking oath as the Chief Minister, the 46-year-old leader had said that he had come after taking Crocin.
"Arvind (Kejriwal) has been doing better since yesterday. There was fever in the afternoon, but he took medicines. Since evening there was no fever," said a party source.
If Kejriwal recovers, he might also go to the Delhi Secretariat tomorrow.
He also met AAP leaders including Kumar Vishwas and had discussion about the organisation.
"He has been working. He met Manish Sisodia today. He met party leaders and had a discussion about organisation. He has also been meeting different groups," AAP leader Kumar Vishwas told report.
Kejriwal has been unwell for the past five days. He left the celebrations mid-way, even as his party scripted a massive victory in recently held Delhi assembly polls.