New Delhi, May 04 (ANI): Chhattisgarh Chief Minister, Raman Singh has called for a national policy to curb kidnappings and violence initiated by the maoists. Interacting with mediapersons in New Delhi, Raman said that Chief Ministers of all the states should discuss on this issue. Singh also said that operations like Green Hunt and Salwa Judum do not exist in Chhattisgarh. Dismissing reports claiming suspension of operations against Maoists in the state, Singh said that it would be possible only after the Maoists agreed to shun violence.