Raipur/Bijapur: Security forces achieved a significant breakthrough in their ongoing anti-LWE campaign in Chhattisgarh’s Bijapur district, neutralising four Maoist cadres, including a female cadre, during a series of encounters in the district’s north-western forested and hilly terrain on Saturday. The operation was launched after intelligence inputs confirmed the presence of notorious Maoist leader Dilip Bedja,.