Communist Party of India-Maoist (CPI-Maoist) activities are on a decline in Kalahandi District, said Abhay, DirectorGeneral of Police (DGP) during a review meeting on CPI-Maoist activities at Bhawanipatna in Kalahandi District of Odisha on April 21, reports OMMCOM NEWS. He also appealed to Maoists to surrender with their arms and ammunition and join the mainstream.