The two heavyweights stopped on seeing each other, shook hands, smiled and even stood for few minutes as a number of people clicked their photos with their mobiles at the picturesque Company Bagh here.
The two candidates also spoke to other morning walkers.
But Singh did not lose the opportunity to take as dig at Jaitley. Asked about the chance encounter, he remarked, "it was a nice feeling to meet our guest from Delhi". The Congress leader has been calling Jaitley an "outsider" during his campaign.
Later in an informal conversation with reporters, Amarinder said it was a great way to interact with people to learn about their problems and get an honest feed back.