However, the shoe fell a few metres away from the dais.
It was thrown as the Chief Minister stood up to address the gathering.
The youth, identified as Vikram (23), is a resident of Dhanoula in Barnala, Khanna SSP Harsh Bansal said, adding that he also raised slogans against the Chief Minister before hurling the footwear.
He has been taken into custody and is being interrogated, the SSP said.
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Vikram, however, claimed that he did not hurl the show towards the Chief Minister, but towards his chair on the dias.
"I am angry with all the politicians...They promise employment, but on ground do nothing," the youth said, adding that he was against politicians as "they make false promises".
Political conferences are held at Issru every year on the occasion of martyrdom day of Karnail Singh.