Security personnel made their way inside the Satlok Ashram, whose main gate was opened in the afternoon.
Police said that they would conduct a thorough search of the premises.
Early this morning, the authorities appealed to the followers still inside the Ashram to come out telling them that the police and civil administration was out there to help them.
Police said that they suspect some staunch supporters and members of his private commandos were still inside.
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Before launching full-scale operation to search Ashram for objectionable items, including arms and ammunition, police said they want to ensure that all innocent followers have come out so as to isolate any of the commandos or other accused who may be still hiding inside.
63-year-old Rampal, who had refused to appear before the High Court in a contempt case claiming he was unwell, was arrested last night from his Satlok Ashram after a two-week long stand off.
"They created fear and used pressure tactics to hold us back. They kept telling us that as soon as we venture out we will be arrested and put to harm," Indu, a middle-aged woman follower from Madhya Pradesh, told reporters.