Section 2(l) in Kerala Irrigation and Water Conservation Act, 2003
(l)"drainage system" means channels either natural or artificial for the discharge of waste or surplus water and all works connected there with or ancillary there to and includes,-(i)escape channels from an irrigation or distribution system and other works connected there with but does not include works for removal of sewage;(ii)all connecting drains and main drains to drain off surplus water from field drains; and(iii)all field drains and related structure under pipe outlet;
