New Delhi: The government will launch a full-fledged anti-Maoist operation in three different areas, considered tri-junctions of worst Naxal-affected states. The tri-junctions are Andhra Pradesh-Maharashtra-Chhattisgarh; Orissa-Jharkhand-Chhattisgarh and West Bengal-Jharkhand-Orissa. Home ministry sources said around 40,000 paramilitary personnel will assist respective state police forces during the operations that will be launched soon. Almost 7,000 specially-trained troops in jungle warfare are also a part of the total strength of the central forces to be deployed for the task.