In Chhattisgarh, a Police Sub Inspector martyred in an encounter with Maoists. Four Maoists also killed in this gun battle. AIR Raipur correspondent reports that after security forces received a specific input that large number of Maoists are present in the Manpur area of Rajnandgaon district, a team of District Police Force launched a massive search operation in the forests of Manpur late last evening.  <br />''  <br />'' Maoists ambushed the police team near Pardhauni village and opened indiscriminate fire. Police Jawans retaliated the fire and in the exchange of fire, the In-charge of Madanwada police station Shyam Kishore Sharma lost his life, while 4 Maoists also killed in this encounter. Bodies of the killed Maoists along with one AK-47 rifle, 1 SLR weapon and two rifles recovered from the spot. <br />''  <br />'' Chhattisgarh Home Minister Tamradhwaj Sahu and Director General of Police D.M. Awasthi paid homage to the martyred Police Sub Inspector Shyam Kishore Sharma in Rajnandgaon police line today morning.<br />''