The move came days after the Supreme Court vacated the stay imposed by the Punjab and Haryana High Court on the trial in three sacrilege cases.
Bareta, who was one of the accused in the incidents related to the desecration of a religious text in Faridkot in 2015, was declared a proclaimed offender.
Ram Rahim, lodged in Rohtak's Sunaria Jail, is serving a 20-year sentence handed out to him in 2017 for allegedly raping two of his disciples.
Pardeep Singh was shot in his dairy shop at around 7 am in Kotkapura in Faridkot, the police said, adding that his security man and another person sustained bullet injuries in the incident.
Three suspected shooters were nabbed in Punjab's Patiala district early on Friday in connection with the killing of a Dera Sacha Sauda follower a day ago, the police said.