A report in this regard has been submitted by ADGP Intelligence to Chief Minister Pinarayi Vijayan, who also holds the home portfolio, police sources said.
The sources, however, declined to divulge further details.
The NIA on Sunday arrested six persons from Kerala for allegedly plotting terror attacks in the country during the agency's ongoing investigation into the disappearance of 21 people from the state who are believed to have joined the Islamic State.
The NIA teams along with Kerala police, Delhi police and Telangana police had launched surveillance on the movements of the accused involved in the conspiracy and during searches, the six were arrested from Kozhikode and Kannur districts.
Five of them were arrested while they were conducting a meeting at Kanakamala hilltop in Kannur and another person was arrested from Kuttiyadi in Kozhikode, a NIA release had stated.
The NIA has already registered a case in connection with the 21 missing youths from Kerala who are believed to have joined the Islamic State in Afghanistan and later moved to Syria and some other countries.
Meanwhile, DGP Loknath Behara said state police has strengthened its vigil in the backdrop of the arrests of six persons by NIA from the state.
The state police will be monitoring the situation in cooperation with Central agencies, he told reporters in Thiruvananthapuram.