These promotions will be effective from Jan. 13.
Police headquarters said a retired ASP is also among the group that received promotions.
The Public Service Commission and the Secretary to the Ministry of Public Security have granted approval to the promotions.
Promoted police officers are as follows:
ASP M.M. Kumarasinghe, ASP N.J. Edirisinghe , ASP E.L.M.C. Banda , ASP I.G.J.M. Devapriya , ASP L.A.A. Wijesinghe, ASP A.J. Gunasekara, ASP W.A.H.N. Jayathilake , ASP Ajith Abeywardena, ASP G.D.A. Priyantha, ASP N.R.H.P. Gunasekara , ASP N.V. Laurence , ASP W.M.S. Weerasekara , ASP N.W. Senanayake, ASP D.G. Wickramarachchi , ASP M.D.D. Senanayake and ASP A.P. Liyanage