He said that the election result was in favour of AAP because the "achhe din only came for industrialists" after the Narendra Modi-led government came to power at the Centre eight months back.
"I extend my best wishes to Kejriwal," Anna told reporters here.
He also urged the AAP convenor, a former Team-Anna member, not to forget his struggle for the Jan Lokpal Bill and take it forward.
"The public earlier thought that 'ache din ane wale hain' but the good days came only for industrialists and that's why AAP's acceptability increased among the people.