"We will support Congress as this (BJP) government and the police have committed atrocities on my son," Bharat Patel said.
"We are with Congress this time," he told reporters in Sabarkantha district after attending a Congress event where Congress's MLA from Bayad Mahendrasinh Vaghela was also present.
"The Patel community is with Hardik and they will show this in the elections," he said.
Hardik is currently in police custody in connection with a sedition case here. Bharat Patel has moved the High Court to get the cases aginst his son quashed.
Patel community had been a loyal supporter of BJP in the state in the past.