The correct option is C Operation Cocoon
Operation Cocoon was the operation launched by the special task force of Tamil Nadu Police to nab the forest brigade Veerappan and his associates, who were dominant in Sathyamanglam Forest in the south Indian states of Tamil Nadu, Kerala, and Karnataka. The operation was headed by K. Vijay Kumar and N. K. Senthsmarai Kannan. Veerappan was shot dead in the operation on 18th October 2004 along with his three associates.