The encounter is on in Chittoor district of Andhra Pradesh where the militants are hiding in a house. The militants fired at the cops from the house.
While one report said a cop died in the encounter, it was yet to be confirmed.
Police- who are a joint force of Tamil Nadu and Andhra Pradesh- have encircled the house in which there are also women and child, reports said.
The militants are believed to be killers of V Ramesh, who was the BJP general secretary in Tamil Nadu. He was murdered near his house with a sharp weapon in Salem on July 19 this year.
Reinforcement has also been brought from Tirupathi, reports said.
--IBNS (Posted on 05-10-2013)