A senior NIA official said Reema Orang a.k.a. Saraswati was arrested from Dibrugarh district following a tip-off.
The official said that the case pertains to the arrest of a Maoist leader Arun Kumar Bhattacharjee a.k.a. Kanchan Da, a member of Central Committee of CPI (Maoist) along with his associate Akash Orang a.k.a. Kajal, a member of Assam State Organising Committee of CPI (Maoist) from Patimara Tea Garden of Cachar district.
The accused along with their associates were involved in spreading the network of CPI (Maoist) in Assam and northeastern region.
The case was initially registered at Crime Branch Police Station in Guwahati, and later on, the NIA took over the probe this year.
During the searches, digital devices and incriminating documents of CPI Maoist party were recovered.
Further investigation into the matter is underway.