They were later released.
Stating that the 108 ambulance scheme was centrally sponsored, the Congress had demanded that the posters be replaced, or they would do so themselves.
Congress members today attempted to replace the photos on the ambulances, but were deterred by the police.
"We had issued an ultimatum to the state government and asked them to see to it that it was the PM's photograph on all the Central government schemes. We had even said that we would ourselves affix the PM's photograph in case the state government failed to comply," Youth Congress president Vikramjit Singh Chaudhary said.
"We had planned this photograph drive to be a state-wide affair. But wherever we managed to put up the PM's photo, police arrived to tear it off," Chaudhary said.
He said police stopped them for replacing the photos and claimed that party workers were arrested.
"Where our party workers were not arrested, police contrived to hide away the ambulances themselves," he claimed.
The Youth Congress president, whom police later presented in court along with his associates before releasing them, has now demanded action against officials who had torn off Manmohan Singh's photos saying it was an insult to the PM.
Law enforcement officials, however, declined to offer any comments regarding this complaint.
