Vipassana is one of the likely successors of Gurmeet Ram Rahim Singh.
"Sirsa police will soon ask Vipassana Insan to join the investigation," Haryana DGP B S Sandhu said here today.
The police said it was making efforts to nab Ram Rahim's confidant and adopted daughter, Honeypreet, and key Dera functionary, Aditya Insaan who they believed are still in the country.
"We have sent police teams to Himachal Pradesh and Punjab to track them. We are presuming that they are hiding somewhere in the country," said Sandhu, adding that a lookout notice against them was also issued following apprehensions that they might try to "escape the country".
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The Haryana police had earlier conducted raids at various places and police teams were sent to various locations, including Mumbai and the Nepal side. It was also in touch with the police of other states.
Three Punjab police officers, who were deployed to provide security to the Dera chief, were also arrested last week for conspiring to free Ram Rahim after his conviction.
The DGP said that several vehicles that were a part of the cavalcade of Dera chief on August 25 were impounded. "Notices have also been sent to the owners of remaining vehicles," he added.
Violence erupted in Panchkula and Sirsa in Haryana and parts of Punjab and Delhi on August 25 following the conviction of Ram Rahim. The mayhem left 35 dead in Panchkula and six in Sirsa.