Acting on a tip-off, a police team conducted raid in the village last evening and arrested Pradip Paswan and Girija Ram.
The two had allegedly demanded Rs 50,000 from Patan Middle School teacher Harivansh Dubey, who lodged an FIR in this regard on April 7, he said.
Paswan was a toddy seller in the village, from where he was caught.
Police recovered two pistols, six cartridges and three mobile phones from the possession of the two.
PLFI is a splinter group of the CPI(Maoist).