The investigation has revealed that Kalavathi had joined the CPI (Maoist) 20 years ago and was an Area Committee member of the organisation at the time of her arrest.
The case was originally registered on November 23, 2020, at Munchigput police station in Visakhapatnam, in which Naganna was intercepted by Munchingput police while carrying Maoist literature and other incriminating materials.
A division bench of Justice S S Shinde and M S Karnik on Thursday extended Rao's stay at the private hospital after adjourning the hearing on his bail plea to January 13.