The CBI on Friday filed an FIR in connection with the death of Akhil Bharatiya Akhara Parishad president Mahant Narendra Giri in Allahabad.
The agency has invoked Section 306 (abetment of suicide) of the IPC in the FIR.
The seer, who was the president of the largest organisation of sadhus in India, was found hanging at the Baghambari Mutt in Allahabad on Monday.
Earlier in the day, the Centre gave its approval for a CBI probe with the department of personnel and training issuing a notification.
The Uttar Pradesh government on Wednesday had said a recommendation for transferring the case to the CBI was made “on the instructions of chief minister Yogi Adityanath.... in the incident pertaining to the sad death of chairman of Akhara Parishad Mahant Narendra Giri”.